Question

Find the diameter of circle whose perimeter is 154 CM​

Answer 1

Perimeter of a circle is 2πr..

According to the question :-

2πr = 154

r = ( 154×7 ) /2×22

r = 24.5 cm.

Hence diameter = 2r

2 × 24.5

Diameter = 49 cm..

Answer 2

Answer:

Diameter = 49cm

Step-by-step explanation:

Here, 2πr = 154

=> 2 × (22/7) × r = 154

=> r = 3.5 × 7

=> r = 24.5cm

So, Diameter = 2r = 49cm

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