Plz asap surface area and volume of this shape

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asked Dec 6, 2018 170k views

1 Answer

Anja · Answer 1 · 2018-12-11T02:50:54+0000

Volume = Cross-sectional area * length
C-S area = 1/2 * b * h
1/2(4)(15) = 30
length = 18
Volume = 30 * 18
= 540 mm^3

S' area = 2(C-S area) + 8(18) + 15(18) + 17 (18)
= 2(30) + 8(18) + 15(18) + 17(18)
= 60 + 144 + 270 + 306
= 780 mm^2

Plz asap surface area and volume of this shape

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