MATHEMATICS Discuss

A chord of a circle subtends an angle 120 at the centre of a circle of...

Share to WhatsApp
Question 29
A

16? cm2

B

32? cm2

C

4? cm2

D

8?cm2

Explanation

Diameter = 4\(\sqrt{3}\) cm

radius = 2\(\sqrt{3}\) cm

Area of major sector = \(\frac{\theta}{360} \times \pi r^{2}\)

\(\theta = 360 - 120 = 240°\)

= \(\frac{240}{360} \times \pi \times 12\)

= \(8\pi cm^{2}\)


Correct option: D

Try this quiz in in E-test/CBT Mode
switch to MATHEMATICS in CBT Mode

Previous Question Next Question

Be the first to Comment on this

Sign in to post a comment


Question Map