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zleigreen
19.12.2020 •
Mathematics
What is the base of a triangle if the height is 8 in. and the area is 28 in. squared
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Ответ:
Step-by-step explanation:
Area = 1/2 base * height
Area = 28
height = 8
base = ?
28 = 1/2 * 8 * base
28 = 4 * base
28/4 = base
base = 7
Ответ:
33.30 units²
Step-by-step explanation:
Central angle = m<BCD = 106°
Radius (r) = 6 units
Area of sector BCD = central angle/360° × πr²
Plug in the values into the formula
Area of sector BCD = 106/360 × π × 6²
Area of sector BCD = 106/360 × π × 36
Area of sector BCD = 33.3008821
Area of sector BCD = 33.30 units² (nearest hundredth)