Yomarie1104
20.01.2021 •
Mathematics
Question 11(Multiple Choice Worth 4 points)
(05.03 LC)
The sail of a boat is in the shape of a right triangle. Which expression shows the height, in meters, of the sail?
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Ответ:
Area of the small circle =
r
= 3.14 x 7
= 153.86
Area of the big circle =
R
=3.14 x 14
= 615.44
The shaded area = area of the big circle - area of 2 small circle = 615.44-2x153.84≅308
The answer is 308