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1. Work out the area of a circle with radius 7.5 cm.
Take (pie) to be 3.142 and give your answer to 2 decimal places.

2. A semicircle has radius 8.2 cm.
Work out the area of the semicircle.
Take (pie) to be 3.142 and give your answer to 1 decimal place.

Respuesta :

[tex]<b>HEY THERE!![/tex]

THE AREA OF A CIRCLE = πr^2

Here π = 3.142
r = 7.5

now A = πr^2
A = 3.142× 7.5×7.5
A = 176.7375cm^2

Hope it helped you.

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