Question

If the circumference of a semi circle is 216 metres then its radius is

Answer 1

Answer :

The radius of the circle is 68.72 m.

Step-by-step explanation :

We know that ;

Circumference of a circle = 2πr

So, circumference of Semicircle = 2 π r / 2

Circumference = π r

According to the question ;

π r = 216

⇒ 22 / 7 × r = 216

⇒ 22 r = 216 × 7

⇒ 22 r = 1512

⇒ r = 1512 / 22

⇒ r = 68.72

Hence, the radius of the circle is 68.72 m.

Answer 2

Heyy mate ❤✌✌❤

Here's your Answer....

⤵️⤵️⤵️⤵️⤵️⤵️⤵️⤵️

Circumference of Semicircle= Pie × radius
216 = 22/7 × r + 2r

3r= 216×7÷22

3r= 68.72 m.

r= 22.9m
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