Question

Please help I can’t be bothered and o don’t understand

Answer 1

177.1

Explanation:

Work out the bigger semicircle,

which has a 20cm diameter so

10^2 x 3.142 = 314.2 /2 (because it is a semicircle) so 157.1 + 20cm (length of straight line at the bottom of the semicircle) so 177.1

Answer 2

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