B. 6
Explanation: 8(6+4)= 80
38+ 7(6)= 80
Answer:8
Step-by-step explanation:
When you round it depends on what number it is.
So for 7.8 it is closer to eight not seven
V = 1/3Bh
B = 1/2(b1 + b2)t
V = 1/3[1/2(b1 + b2)t] * h
h = 24
b1 = 13
b2 = 29
t = ?
V = 2856
Substitute:
2856 = 1/3[1/2(13 + 29)t](24)
2856 = 1/6(42)(24)t
2856 = 7(24)t
2856 = 168t
t = 2856/168 = 17 in height of the trapeziod
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