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

Why do we celebrate Pi Day on March 14?

Single Answer MCQ
Q-00168976

Why do we celebrate Pi Day on March 14?

1

It is the anniversary of π's discovery.

2

It corresponds to the digits 3.14.

3

It's the birthday of Pi's inventor.

4

It represents the length of a circle.

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Q1.

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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