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

Byju's Answer

Standard VIII

Mathematics

Circle Mensuration

O is the cent...

Question

$O$ is the center of the circle, and the diameter is $12$ . What is length the arc $A B$ ?

3 π

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

6 π

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

9 π

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

18 π

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

Open in App

Solution

The correct option is C $3 π$
Given: Diameter of the circle $(d) = 12$ cm
$∴$ radius of the circle $= \frac{12}{2} = 6$ cm
Length of the arc AB $= \frac{2 π r}{4}$
$= \frac{6 π}{2} = 3 π$

Suggest Corrections

Similar questions

Q. In the circle above, segment

A B

is a diameter. If the length of arc

¯ ¯¯¯¯¯¯¯¯¯¯¯ ¯ A D B

8 π

, what is the length of the radius of the circle?

Q. Semicircular arcs

A O

and

O B

divide the circle above with centre

O

into two regions. If the length of diameter

A B

12

, calculate the area of the shaded region.

Let ABC be a right-angled isoscles triangle with hypotenuse BC. Let BQC be a semi-circle away from A, with diameter BC. Let BPC be an arc of a circle centered at A and lying between BC and BQC. If AB has length 6 cm then the area, in sq cm, of the region enclosed by BPC and BQC is

Q. 'O' is center of circle

C_{1}

and AB is the diameter of circle

C_{2}

. Quadrilateral PQRS is inscribed in the cirlce with center 'O'. Find

∠ Q R S

Q. Find the length of the arc of a circle of diameter 12 cm subtending an angle of

60^{\circ}

at the center.

Join BYJU'S Learning Program

O is the center of the circle, and the diameter is 12. What is length the arc AB?

The correct option is C 3πGiven: Diameter of the circle (d)=12cm∴ radius of the circle =122=6 cmLength of the arc AB=2πr4=6π2=3π

$O$ is the center of the circle, and the diameter is $12$ . What is length the arc $A B$ ?

The correct option is C $3 π$
Given: Diameter of the circle $(d) = 12$ cm
$∴$ radius of the circle $= \frac{12}{2} = 6$ cm
Length of the arc AB $= \frac{2 π r}{4}$
$= \frac{6 π}{2} = 3 π$