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CBSE
Class 10
Mathematics
Mathematics
Triangles

Question Bank

Practice Hub

Question Bank: Triangles

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Question Bank - Triangles

View all (56)
Q1.

Which of the following is true about similar triangles?

Single Answer MCQ
Q-00173951
View explanation
Q2.

If two triangles have corresponding angles equal, what can we conclude about their sides?

Single Answer MCQ
Q-00173952
View explanation
Q3.

Which of the following properties is not a criterion for triangle similarity?

Single Answer MCQ
Q-00173953
View explanation
Q4.

In two similar triangles, if the lengths of two corresponding sides are 4 cm and 6 cm, what is the scale factor?

Single Answer MCQ
Q-00173954
View explanation
Q5.

If in triangle ABC, side AB = 8 cm, AC = 6 cm, and angle A = 30°. If triangle DEF is similar to ABC, which side of triangle DEF corresponds to side AB?

Single Answer MCQ
Q-00173955
View explanation
Q6.

What determines if two triangles are similar by the AA similarity criterion?

Single Answer MCQ
Q-00173956
View explanation
Q7.

If two triangles are said to be similar by SSS criterion, what condition do their sides fulfill?

Single Answer MCQ
Q-00173957
View explanation
Q8.

Which statement about the similarity of figures is correct?

Single Answer MCQ
Q-00173958
View explanation
Q9.

A line drawn parallel to one side of a triangle divides the other two sides proportionally. What can be said about the two sides divided?

Single Answer MCQ
Q-00173959
View explanation
Q10.

If a triangle has one angle of 90 degrees and its two sides are in the ratio 3:4, what is true about the triangle's similarity?

Single Answer MCQ
Q-00173960
View explanation
Q11.

In a pair of similar triangles, if the sides of one triangle are twice the length of the other, what is the scale factor?

Single Answer MCQ
Q-00173961
View explanation
Q12.

If two triangles share a common angle and two corresponding sides are in proportion, what similarity criterion applies?

Single Answer MCQ
Q-00173962
View explanation
Q13.

When dealing with similarity, which of the following statements is a misconception?

Single Answer MCQ
Q-00173963
View explanation
Q14.

Which of the following statements best describes similar triangles?

Single Answer MCQ
Q-00173964
View explanation
Q15.

If triangle ABC ~ triangle DEF, and AB = 4 cm, DE = 2 cm, what is the scale factor?

Single Answer MCQ
Q-00173965
View explanation
Q16.

Which criterion can establish the similarity of triangles?

Single Answer MCQ
Q-00173966
View explanation
Q17.

In triangles XYZ and PQR, if ∠X = ∠P and ∠Y = ∠Q, which of the following is true?

Single Answer MCQ
Q-00173967
View explanation
Q18.

If in triangle ABC, ∠A = 30° and in triangle DEF, ∠D = 30°, which is definitely true?

Single Answer MCQ
Q-00173968
View explanation
Q19.

A triangle has sides of lengths 3 cm, 4 cm, and 5 cm. If another triangle has sides of 6 cm, 8 cm, and 10 cm, what can be concluded?

Single Answer MCQ
Q-00173969
View explanation
Q20.

What is the relationship between the angles of similar triangles?

Single Answer MCQ
Q-00173970
View explanation
Q21.

Which theorem establishes that the ratio of the sides is equal to the ratio of the corresponding sides of similar triangles?

Single Answer MCQ
Q-00173971
View explanation
Q22.

In triangle ABC, AB = 5, AC = 3, and ∠A = 45°. If triangle DEF is similar to triangle ABC, and DE = 10, what is the length of DF?

Single Answer MCQ
Q-00173972
View explanation
Q23.

Which condition is NOT necessary for triangle similarity?

Single Answer MCQ
Q-00173973
View explanation
Q24.

If two triangles are similar and one has a side length of 5 cm, what can be said about the side lengths of the other triangle?

Single Answer MCQ
Q-00173974
View explanation
Q25.

Which equation properly represents the similarity condition for triangles ABC and DEF?

Single Answer MCQ
Q-00173975
View explanation
Q26.

If two triangles have one angle equal and the ratios of their other two sides are equal, what can we conclude?

Single Answer MCQ
Q-00173976
View explanation
Q27.

For what polygon can we state that all corresponding triangles within it are similar?

Single Answer MCQ
Q-00173977
View explanation
Q28.

What is the primary condition for two triangles to be similar?

Single Answer MCQ
Q-00173978
View explanation
Q29.

If two triangles have one angle equal and the sides including this angle are in proportion, what can be said about these triangles?

Single Answer MCQ
Q-00173979
View explanation
Q30.

In triangle ABC and triangle DEF, if ∠A = ∠D and AB/DE = AC/DF, what can be concluded?

Single Answer MCQ
Q-00173980
View explanation
Q31.

Which of the following is NOT a criterion for similarity of triangles?

Single Answer MCQ
Q-00173981
View explanation
Q32.

If triangles XYZ and PQR are similar, and the lengths of sides XY, XZ, and YZ are 6 cm, 8 cm, and 10 cm respectively. What is the ratio of the sides of triangle PQR, if QR is 12 cm?

Single Answer MCQ
Q-00173982
View explanation
Q33.

How can you determine if two triangles are similar without measuring all angles and sides?

Single Answer MCQ
Q-00173983
View explanation
Q34.

Which of the following correctly represents the similarity notation for triangles ABC and DEF?

Single Answer MCQ
Q-00173984
View explanation
Q35.

True or False: If two triangles are similar, then their corresponding sides are equal.

Single Answer MCQ
Q-00173985
View explanation
Q36.

If two triangles are known to be similar, what can be concluded about their areas?

Single Answer MCQ
Q-00173986
View explanation
Q37.

If triangles ABC and DEF are similar and the length of side AB is 4 cm while DE is 8 cm, what is the ratio of AB to DE?

Single Answer MCQ
Q-00173987
View explanation
Q38.

In similar triangles, if the ratio of their corresponding sides is 2:5, what is the ratio of their perimeters?

Single Answer MCQ
Q-00173988
View explanation
Q39.

Which statement is correct regarding the properties of similar triangles?

Single Answer MCQ
Q-00173989
View explanation
Q40.

If two angles of one triangle are 60° and 70°, what can you say about a triangle with those angle measures?

Single Answer MCQ
Q-00173990
View explanation
Q41.

What does the symbol '∼' denote in triangle similarity?

Single Answer MCQ
Q-00173991
View explanation
Q42.

What defines two figures as congruent?

Single Answer MCQ
Q-00173995
View explanation
Q43.

If two triangles have the same angles, what can be inferred?

Single Answer MCQ
Q-00173997
View explanation
Q44.

Which of the following is a characteristic of similar triangles?

Single Answer MCQ
Q-00173999
View explanation
Q45.

What is a scale factor in the context of similar figures?

Single Answer MCQ
Q-00174001
View explanation
Q46.

How can we prove that two triangles are similar?

Single Answer MCQ
Q-00174003
View explanation
Q47.

In two similar triangles, if the sides of one triangle are 3 cm, 4 cm, and 5 cm, what could be the sides of the second triangle?

Single Answer MCQ
Q-00174005
View explanation
Q48.

If triangles ABC and DEF are similar, with AB = 4 cm, BC = 6 cm, and DE = 8 cm, what is the length of EF?

Single Answer MCQ
Q-00174007
View explanation
Q49.

Can two triangles with one equal angle and two proportional sides be considered similar?

Single Answer MCQ
Q-00174009
View explanation
Q50.

What is a common misconception regarding similar triangles?

Single Answer MCQ
Q-00174011
View explanation
Q51.

If two triangles are similar with a scale factor of 3, and one side of the first triangle is 5 cm, what is the length of the corresponding side in the second triangle?

Single Answer MCQ
Q-00174013
View explanation
Q52.

How does indirect measurement relate to the concept of similarity?

Single Answer MCQ
Q-00174015
View explanation
Q53.

Which of the following statements is true regarding equilateral triangles?

Single Answer MCQ
Q-00174016
View explanation
Q54.

Two right triangles share one leg and their hypotenuse is in a 2:1 ratio. What can be said about them?

Single Answer MCQ
Q-00174017
View explanation
Q55.

If triangle ABC is similar to triangle XYZ, and the length of side AB is 7 cm, what can you deduce about side XY?

Single Answer MCQ
Q-00174018
View explanation
Q56.

When applying similarity in problem-solving, what is most essential?

Single Answer MCQ
Q-00174019
View explanation
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