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PaulJames
11.07.2019 •
Mathematics
One angle is 36 degrees. what is the measure of its complement?
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Ответ:
So 90-36= 54°
Ответ:
r = 6 ft / 2 = 3 ft
Solving for the lateral surface area of one cone:
LSA = (3.14) (3) [√(12²+3²)] = 116.52 sq ft.
Since she needs 10 cones:
10 * 116.52 sq. ft = 1,165.2 sq ft.
She will need 1,165.2 sq ft of material.