Answer:
20
Explanation:
V = Bh where B is the area of the triangle
2040 = B*12
Divide by 12
2040/12 = B
170 = B
B is the area of the triangle
170 =1/2 bh where b = 17 and h is s
170 = 1/2 (17) s
170 = 8.5 s
Divide by 8.5
170/8.5 = s
20 =s
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