What is the area (in sq cm) of a rectang

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 2D

Question:

What is the area (in sq cm) of a rectangle of perimeter 52 cm and breadth 20 cm?

Options:

130 cm²

140 cm²

120 cm²

110 cm²

Correct Answer:

120 cm²

Explanation:

Perimeter of rectangle = 2 (l + b)

52 = 2 (l + 20)

l = $\frac{52}{2}$ – 20 = 6 cm.

area = l × b = 6 × 20 = 120 cm²