The area of a rectangle is 216 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 216 m² and its length is 6 times of its breath. The perimeter of the rectangle is:-

Options:

85 cm

86 cm

54 cm

84 cm

Correct Answer:

84 cm

Explanation:

Length : Breath = 6 : 1

Area of rectangle = l × b = 6R × 1R = 6R² = 216

1R = 6

Now,

Perimeter = 2 (l + b) = 2 (7R) = 2 (42) = 84 cm