MyQuestionIcon

5

You visited us 5 times! Enjoying our articles? Unlock Full Access!

Length of Arc of a Sector

Find the leng...

Question

Find the length of an are of circle which subtends an angle of $180^{0}$ at the centre, if the radius of the circle is $15$ cms.

Open in App

Solution

We have,
$l = r θ$
$= 15 \times \frac{π}{2}$
$= \frac{15 π}{2} c m$ .

Suggest Corrections

thumbs-up

0

Similar questions

Q. Find the length of an arc of circle which subtends an angle of

108^{o}

at the centre, if the radius of the circle is

15

Q. Find the angle subtended at the centre of the circle by an are whose length is

15 c m

if the radius of the circle is

25 c m

Q. Find the degrees the angle subtended the centre of a circle by an arc whose length

15 c m s

, if the radius of the circle is

25 c m s

Q. In a circle an arc subtends an angle

45^{o}

at the centre. If the length of arc is

11 c m

then find the radius of circle.

Q. An arc of length

15

cm subtends an angle of

45

^{\circ}

at the centre of a circle. Find in terms of

π

,the radius of the circle.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Circumference of Circle

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Length of Arc of a Sector

Standard X Mathematics

Join BYJU'S Learning Program

CrossIcon