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Question

Construct a rectangle having adjacent sides of 6 cm and 4 cm and find its area

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Solution

Given: Adjacent sides are 6 cm and 4 cm.
Steps for construction
Step 1 : Draw a rough diagram and mark the given measurements.
Step 2 : Draw a line segment AB=6 cm.
Step 3 : At A, using a compass construct AXAB.
Step 4 : With A as centre, draw an arc of radius 4 cm and let it cut AX at D.
Step 5 : With D as centre, draw an arc of radius 6 cm above the line segment ¯¯¯¯¯¯¯¯AB.
Step 6 : With B as centre, draw an arc of radius 4 cm cutting the previous arc at C. Join ¯¯¯¯¯¯¯¯BC and ¯¯¯¯¯¯¯¯¯CD.ABCD is the required rectangle.
Step 7 : AB=l=6 cm and BC=b=4 cm.
Area of rectangle=l×b=6×4=24cmsq.

756885_618611_ans_49e1a83f5ddd4195b1eb97d4bcbf90fa.jpg

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