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Question Progress Homework Progress 54/118 Marks A semicircle has radius 8.2 cm. Work out the area of this semicircle. Take a to be 3.142 and give your answer to 1 decimal place.
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54/118 Marks
A semicircle has radius 8.2 cm.
Work out the area of this semicircle.
Take a to be 3.142 and give your answer to 1 decimal place.

Question Progress Homework Progress 54/118 Marks A semicircle has radius 8.2 cm. Work-example-1
User Ian Lundberg
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1 Answer

5 votes

Answer:

Area = 105.6 square cm

Explanation:


Area \ of \ circle = \pi r^2\\Area \ of \ semi-circle = (1)/(2) \pi r^2 = (1)/(2) * 3.142 * 8.2^2 = 105.6cm^2

User Zachary Sweigart
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