Draw a quadrilateral ABCD in which AB= 4 cm, BC= 4.5 cm, CD= 4 cm, AD= 3.5cm and BD= 6 cm. Construct a triangle whose area is equal to the area of the quadrilateral.
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Answer:
Radius of cylinder ( r ) = 7 cm
Height of cylinder ( h ) = 15 cm
C.S.A = πr²h
= 22/7 × 7 × 7 × 15
= 2310 cm²
T.S.A = 2πr ( h + r )
= 2 × 22/7 × 7 ( 15 + 7 )
= 2 × 22 × 22
= 968 cm²
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