Question

Radius if diameter is 20c.m

Answer 1

Answer:

Step-by-step explanation:

Radius is half of the diameter

In other words diameter is 2 times the radius

so suppose

2r=20

then divide the given diameter by 2

r=10cm is the radius

Answer 2

Answer:

Hello!

Step-by-step explanation:

d = r*r

r = d/2

d = 20cm

r = 20/2

r = 10cm

Hope this answer helps you.

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