If the circumference of the top of a hem

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 3D

Question:

If the circumference of the top of a hemispherical bowl is 44 mm, find the radius of the top of that bowl.

Options:

10 mm

7 mm

9 mm

8 mm

Correct Answer:

7 mm

Explanation:

We know that,

Circumference of a circle = 2πR

We have,

The circumference of the top of a hemispherical bowl = 44 mm.

2πR = 44

R = \(\frac{44 × 7}{2 × 22}\)

R = 7 mm