MyQuestionIcon

1

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

Area of a Sector of a Circle

Find the angl...

Question

Find the angle subtended at the centre of a circle of radius 'a' by an arc of length (aπ/4) cm.

Open in App

Solution

We know that the arc length l of a sector of an angle θ in a circle of radius r is

It is given and radius.

Now we substitute the value of l and r in above formula to find the value of angle θ subtended at the centre of circle.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Find the angle subtended at the centre of a circle by an arc, for the following.
(i) radius of circle = 5.5m, length of arc = 6.05m (

π = \frac{22}{7}

Q. Find the angle subtended at the centre of a circle of radius 5 cm by an arc of length (5π/3) cm.

Q. Find, in terms of π, the length of the arc that subtends an angle of 30° at the centre of a circle of radius 4 cm.

Q. The radius of a circle is

14

cm.The angle subtended by an arc of the circle at the centre is

45^{\circ}

.Find the length of the arc.

Find, in terms of the $π$ , the length of the arc that subtends an angle of $30^{\circ}$ at the centre of a circle of radius 4 cm.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Area of a Sector

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Area of a Sector of a Circle

Standard X Mathematics

Join BYJU'S Learning Program

CrossIcon