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diamong [38]
3 years ago
7

None of people didn't get it correct i need to write something not just solved

Mathematics
2 answers:
astra-53 [7]3 years ago
5 0
First, you would find the area of the rectangle using the formula A = L • W, which would then give you 24 cm2. Then you would find the area of the triangle using the formula A = bh1/2, which would the give you the answer of 8 cm2. Then you would have to find the area of the semi-circle, using the formula A = (r • r) • 3.14 / 2, which would then give you the answer of 25.12 cm2. Finally, you would have to add up all three area’s, so 25.12 + 8 + 24, which would then give you the final answer, which would be 57.12 cm2.
Galina-37 [17]3 years ago
5 0

Answer: at least I tried

Step-by-step explanation:

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ans = 19800

sp 1= mp  - d\% mp

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The solid shape is a cone and a half sphere. So the equation would be (cone volume) + (1/2 sphere volume):
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If the volume of the cone is 270pi and the height of the cone is 10, then:
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The radius of the object is 9 cm. Therefore, we can plug into the formula for the total volume:
object = 270\pi +  \frac{1}{2} ( \frac{4}{3} \pi {(9)}^{3} ) \\  = 270\pi +  \frac{2}{3} (729\pi) \\  = 270\pi \: + 243\pi \\  = 513\pi
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