Answer:
1674.66 cm^3
Step-by-step explanation:
V=πr^2 (h/3)
so v= π8^2 (25/3)
v=1674.66
x = 5.4
Since A is the scale image of B,
4/3 = 7.2/x
Cross multiplying,
4x = 3*7.2
Dividing by4,
x = 3*7.2 / 4
Answer: 142°
∡BAC= 38°
∡BAN= 180°-38° = 142°
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