Question

find the circumference of the circle take π=22\7 when radius is 98​

Answer 1

Step-by-step explanation:

Circumference of circle: The distance around the circular region is called its circumference. The ratio of circumference of any circle to its diameter is constant. This constant is denoted by π and is read as pie.

Circumference/Diameter = Pie

i.e., c/d = π or c = πd

We know that diameter is twice the radius, i.e., d = 2r

C = π × 2r

⇒ C = 2πr

Therefore approximate value of π = 22/7 or 3.14.

Answer 2

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Calculate the circumference (C) using the formula

C = 2πr← r is the radius

C = 2πr

= 2·π·98

≈ 615.75216