Home
Class 11
MATHS
A wire of length 10 cm is bent so as to ...

A wire of length 10 cm is bent so as to form an arc of a circle of radius 4 cm. What is the angle at the centre in circular measure?

Text Solution

Verified by Experts

The correct Answer is:
`=(5/2)^(c)`
NA
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • TRIGONOMETRY

    SUBHASH PUBLICATION|Exercise Find the general solution of the following equation:|21 Videos

  • TRIGONOMETRY

    SUBHASH PUBLICATION|Exercise Five Marks Questions with answer|18 Videos

  • TRIGONOMETRY

    SUBHASH PUBLICATION|Exercise One Marks Questions With Answers|12 Videos

  • SUPER MODEL QUESTION PAPER-3

    SUBHASH PUBLICATION|Exercise Point E|4 Videos

Similar Questions

Explore conceptually related problems

A circular wire of radius 6 cm is cut & bent so as to form an arc of a cricle of radius 48 cm. Find the angle in degrees subtended by the arc at the centre.

A circular wire of radius 6 cm is cut & bent so as to form an arc of a cricle of radius 48 cm. Find the angle in degrees subtended by the arc at the centre.

Knowledge Check

  • A wire of lenggth 20 cm is bent in the form of a sector of a circle. The maximum area that can be snclosed by the wire is

    A
    25 sq. cm
    B
    20 sq. cm
    C
    30 sq. cm
    D
    10 sq. cm

  • A chord of a circle of radius 28cm makes an angle 90^@ at the centre. The area of the major segment is

    A
    `2240 cm^2`
    B
    `1456 cm^2`
    C
    `1848 cm^2`
    D
    `392 cm^2`

  • The length of the tangent drawn to a circle of radius 3cm from 5cm away from the centre is

    A
    4cm
    B
    5cm
    C
    3cm
    D
    2cm

    • Similar Questions

    Explore conceptually related problems

    A circular wire of radius 7 cm is cut and bent again into an arc of a circle of radius 12 cm . The angle subtended by the arc at the centre is

    The length of an arc of a circle of radius 25 cm is 32 cm. Find the angle subtended by the arc at the centre of the circle.

    Find the length of the chord of a circle of radius 8 cm which subtends a right angle at the centre.

    Length of an arc of a sector of a circle of radius r and angle theta is

    A chord of a circle of radius 10 cm subtends a right angle at the centre. Find area of minor segment. ("use " pi = 3.14)

    Home
    Profile