Q. 1 H5.0( 1 Vote )

# Choose the correct answer:

The central angle of a semicircle is _________

A. 90°

B. 270°

C. 180°

D. 360°

Answer :

The central angle of a semicircle is always 180°.

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A park is in the shape of a semicircle with radius 21 m. Find the cost of fencing it at the cost of ` 5 per metre.

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