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Volume = Area of circle x h
Lateral area = circumference of circle x h
Total area = L.A + 2 A of circle
Example (1):
A right circular cylinder is of height 10 cm. and its volume is
1540 ????3. Find its total area.
Volume = Area of circle x h
1540 = ???? x ???? x 10
??
r = 7 cm
Total area = 2 x ???? x7 x 10 + 2x ???? x ???? = 748 ??????
?? ??
1ST TERM MATH-PREP.2
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