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CBSE
Class 9
Mathematics
Ganita Manjari
Measuring Space: Perimeter and Area
Question Bank

Why has the value of π been ca...

Single Answer MCQ
Q-00168988

Why has the value of π been calculated to trillions of digits?

1

For practical applications requiring high precision.

2

To find a pattern in its digits.

3

To prove that it is a rational number.

4

Because it's a requirement in mathematics courses.

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What is the formula for the perimeter of a rectangle?

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Q2.

An equilateral triangle has a side length of 6 cm. What is its perimeter?

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Q3.

If the side length of a square is doubled, how does the perimeter change?

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Q4.

The perimeter of a circle is also known as what?

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