Question

Q.The circular portions of the following figures are semicircles for each of the following figures find its perimeter and area
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Answer 1

perimeter = 44cm and 66cm

area = 308 cm ² and 693 cm ²

Step-by-step explanation:

perimeter of hemisphere = πr

22/7×14. 22/7×21

44cm. and. 66cm

area of hemisphere is = πr²/2

(22/7×14×14) /2. (22/7×21×21)/2

616/2 1386/2

308cm ². and. 693cm ²