A rectangular room 12 m by 10 m is surrounded by a verandah 3 m wide. Find the number of bricks 25 cm by 12cm needed to pave the verandah.
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A rectangular room 12 m by 10 m is surrounded by a verandah 3 m wide. Find the number of bricks 25 cm by 12cm needed to pave the verandah.
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formula l×b×h
Step-by-step explanation:
12 x 10 x 3 = 360
12x 25= 280
360 -280
= 80