Mensurationmedium · Past Paper
The area of four walls of a room is 120 sq. m. If the length is 8m and breadth is 7m, find its height.
A2 m
B4 m
C3 m
D5 m
✓ Correct Answer: B — 4 m
2h(8+7) = 120 => 2h(15) = 120 => 30h = 120 => h = 4 m.
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