1.

Find the circus defence of each circle having dia meter of 21 cm​

Answer»

ANSWER:

Heya ✋

Given that

Diameter of a circle = 21 CM

Circumference of a circle = ?

Solution

Radius = Diameter/2

= 21/2 CM

= 10.5 CM

Circumference of a circle = 2πr

= 2 × 22/7 × 10.5 CM

= 66 CM

Step-by-step EXPLANATION:

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