How much metal sheet is required to make a closed cylindrical
tank of height 70 cm and diameter of base 56 cm? Find the area of
the metal sheet in sq. m.
PLEASEEE HELP I'M WEAK IN MATHS
Answers
Answered by
3
Answer:
56×70
Step-by-step explanation:
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Answered by
1
Answer:
Step-by-step explanation:
here height = 70 cm
diameter = 56
so radius = 56/2 = 28
area of metal sheet = total surface area of cylinder
= 2πr(r+h)
= 2*22/7 * 28 (28+70)
= 44/7 * 28 *98
= 44/7 * 2744
= 120736/7
= 17248 sq cm
= 17248/1000 sq m
= 17.248 sq m
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