Find the length and surface area of a wooden plank of width 3m, thickness 75 cm and volume 33.75m³
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Volume = l × b × h
33.75 = l × .75 × 3
33.75 = 2.25 l
l = 33.75 / 2.25
l= 15
LENGTH = 15 m
SURFACE AREA = 2(lb + bh + hl)
2(15×.75 + .75×3 + 15×3)
2(11.25 + 2.25 + 45)
2(58.5)
117
SURFACE AREA = 117 SQ M
MARK AS BRAINLIST
33.75 = l × .75 × 3
33.75 = 2.25 l
l = 33.75 / 2.25
l= 15
LENGTH = 15 m
SURFACE AREA = 2(lb + bh + hl)
2(15×.75 + .75×3 + 15×3)
2(11.25 + 2.25 + 45)
2(58.5)
117
SURFACE AREA = 117 SQ M
MARK AS BRAINLIST
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