Area and Perimeter Practice Test 3

Question : 1 of 40

Marks: +1, -0

A rectangular paper, when folded into two congruent parts had a perimeter of 34 cm for each part folded along one set of sides and the same is 38cm when folded along the other set of sides. What is the area of the paper?

100 $cm^2$
120 $cm^2$
140 $cm^2$
160 $cm^2$

Validate

Solution:

Let sides of the rectangular paper be x and y cm respectively;
then, x + 2y = 34 cm and 2x + y = 38 cm
Solving these two equations we get x = 14 cm and y = 10 cm
Hence, area of the paper = 14 × 10 = 140

cm^2

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