Answer:
V = 204.7 cm³
Explanation:
Pythagoras
h = √(6² - 3.5²)
= √(36 - 12.25)
= √23.75
= 4.87
≅ 4.9
A = Ab×H
= b×h/2 × H
= 7cm×4.9cm/2×12cm
= 204.7 cm³
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