The circular wire of diameter 10cm is cut and placed along the circumference o

Discussion Forum : Trigonometric Functions

Question -

The circular wire of diameter 10cm is cut and placed along the circumference of a circle of diameter 1 metre. The angle subtended by the wire at the centre of the circle is equal to

Options:

A .

\frac{π}{4}

radian

B .

\frac{π}{3}

radian

C .

\frac{π}{5}

radian

D .

\frac{π}{10}

radian

Answer: Option C
:
C

Given, diameter of circular wire = 10cm, therefore length of wire = $10 π$ .

Hence required angle = $\frac{a r c}{r a d i u s} = \frac{10 π}{50} = \frac{π}{5}$ radian.

Was this answer helpful ?

Next Question

Discussion Forum : Trigonometric Functions

Submit Your Solution hear: