The area of a rectangle is 343 m2 a

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 2D

Question:

The area of a rectangle is 343 m² and its length is 7 times of its breath. The perimeter of the rectangle is:-

Options:

102 cm

162 cm

112 cm

132 cm

Correct Answer:

112 cm

Explanation:

Length : Breath = 7 : 1

Area of rectangle = l × b = 7R × 1R = 7R² = 343

1R = 7

Now,

Perimeter = 2 (l + b) = 2 (8R) = 2 (56) = 112 cm