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Mensuration Practice Test 5
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© examsnet.com
Question : 33
Total: 40
Find the surface of a window (17 × 8 × 3) in inches.
317
422
242
173
Validate
Solution:
Surface area of the window = 2(lb + bh + hl)
= 2[(17 × 8) + (8 × 3) + (3 × 17)]
= 2[136 + 24 + 51]
= 2 (211)
= 422 sq. inch
© examsnet.com
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