Given: BC = 10 inches

Mathematics

1 answer:

RUDIKE [14]3 years ago

4 0

Answer:

area of sector BCD =60/360×π×10²=52.36ft²

a area of sector ADC =90/360×π×√50²=39.27ft²

actual area =52.36ft²-39.27ft²=13.09=13ft²

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Determine the surface area of this cone if the radius is 4 cm and the height is 12 cm . Round your answer to the nearest tenth .

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