Find the area to be painted in the given block with a cylindrical hole. Given that length is 15cm,width is 12cm, height is 20cm and radius of the holes is 2.8cm.
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Answered by
1
Answer:
Step-by-step explanation:
L=15
W=12
H=20
R=2.8
Area =rectangle -2×holes
2(lb+bh+hl)-pir2×2
2(180+240+300)-44/7×7.84
1440-1.12×44
1440-49.28
1,390.72
Hope helps
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Answered by
1
Answer:
Step-by-step explanation:
L=15
W=12
H=20
R=2.8
Area =Cuboid-
2(lb+bh+hl)-πr^2
2(180+240+300)-44/7×7.84
1440-1.12×44
1440-49.28
1,390.72
Step-by-step explanation:
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