Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 2D

Question:

Direction: In the given figure ABCD is a square and radius of semi circle is 7 cm.

On the basis of the above information answer the questions.

The perimeter of the figure is.

Options:

42 cm

20 cm

86 cm

64 cm

Correct Answer:

64 cm

Explanation:

Here, ATQ

AD = Diameter = 2 × radius, where radius = 7 cm

AD = 14 cm. = side of square

Now,

Perimeter = Sum of 3 sides of the square + length of arc of semi circle

               = (3 × side) + πr = $(3×14)+\frac{22}{7}×7$ = 42 + 22 = 64 cm