a solid right circular cylinder has radius 7cm and height 20cm find its curved surface area and total surface area
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Answered by
29
This is the answer.........
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Ankushmishra1:
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Answered by
11
Answer:
1188 cm sq.
Step-by-step explanation:
Given,
Radius=7 cm, Height=20 cm.
CURVED SURFACE AREA= 2×pie×r×h
=2×22/7×7×20 = 880 cm sq.
TOTAL SURFACE AREA = 2×pie×r(r+h)
=2×22/7×7(7+20)
= 44×27=1188 cm sq.
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