MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Area of Sector

A window in t...

Question

A window in the shape of a semicircle has a radius of $20 c m$ . Find the area of the semicircle.

A

128 c m

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

428 c m

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

628 c m

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

290 c m

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $628 c m$
Area of a semicircle $= \frac{1}{2} π r^{2}$
$= \frac{1}{2} π (20)^{2}$
$= 628 c m^{2}$

Suggest Corrections

thumbs-up

0

Similar questions

Q. Find the area of a semicircle with the radius is

5 c m

.

Q. A window is in the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is

20

ft., The maximum area is

\frac{200}{π + k}

Q. A window is in the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is of constant length k then its maximum area is

Q. The semicircle temperature dial on a thermostat has a radius of

2 c m

. What is the dial's area?

Q. Find the perimeter and area of a semicircle of radius 28 cm.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Finding Area of a Sector

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Standard X Mathematics

Join BYJU'S Learning Program

CrossIcon