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Question

Construct a rectangle WXYZ in which WX=7 cm and XY=4 cm. Find the area of the rectangle in sq. cm.

A
25
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B
28
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C
24
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D
None of these
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Solution

The correct option is B 28
Draw a line segment WX=7cm
Construct an angle of 90 at points W and X.
Cut off WZ=4cm and XY=4cm
Join YZ and WY
Thus, WXYZ is a required rectangle.
Let l=7cm and b=4cm
Area of rectangle WXYZ =l×b=7×4=28cm2

824506_585183_ans_8528ba9b0aa0433e874aa9817a4d783d.png

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