Q.1)A copper wire of length 44 cm is to be bent into a square and a circle. Which will have a larger area?
Q.2) Ifthe side of a square is doubled then how much time its area becomes?
Q.3) The area of a rhombus is 16 cm2. If the length of one diagonal is 4 cm, find the length of the other diagonal.
Q.4) A flooring tile has a shape of a parallelogram whose base is 28cmand the corresponding height is 20cm. How many such tiles are required to cover a floor of area 2800m2.
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2nd-Since the side of a square is doubled. ⇒New side =2a. Area of the square =(2a)2=4a2. ∴ Area of the square becomes 4 times
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