Question

The length of a cylinder is 30 cm and its diameter is 3.6 mm. find the ratio of its length and its diameter *

Answer 1

Step-by-step explanation:

Here, l = 12 cm, b = 8 cm, h = 4.5 cm

Volume of the cuboid = l×b×h

=(12×8×4.5) cm3= 432 cm3

Total Surface area = 2(lb + lh+ bh)

=2(12×8 + 12×4.5 +8×4.5) cm2=2(96 +54 + 36) cm2=2× 186 cm2=372 cm 2

Lateral surface area = 2(l+b)×h

=[2(12+8)×4.5] cm2=[2(20

Answer 2

Answer:

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