Pls help. do all three for brainliest!
2 answers:
Answer:
Rectangular pyramid volume: 8×9×9/3 = 216 cm³
Rectangular prism volume: 8×9×7 = 504 cm³
Total volume of composite figure: 216+504 = 720 cm³
Answer:
720 cm³
Step-by-step explanation:
Rectangular pyramid:
Volume = 
H = 9 cm
B-> base area = area of rectangle
B = length * width = 8*9 = 72 square cm
Rectangular prism:
length = l = 8 cm
Width = w = 9 cm
Height = h = 7 cm
Volume of rectangular prism = l * w * h = 8 * 9 * 7 = 504 cm³
Volume of composite figure = volume of pyramid + volume of r. prism
= 216 + 504
= 720 cm³
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Answer:
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Step-by-step explanation:
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Answer:
Explanation:
Let's begin writing down everything
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Now we can multiply
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