Question

3. The degree measure of the angle subtended at the centre of a circle of radius 70 cm by an arc of length 33 cm is Use, pi = 22 /7
(1) 48° (2) 30° (3) 33° (4) 27°​

Answer 1

Answer:

$\huge{\boxed{\mathfrak{answer}}}$

We know that if the angle subtended at the centre of a circle of the radius by the arc of the circle of length l is x in degrees, then we have l=x360×2πr. Here l =22cm and r =100cm. Hence the angle subtended by the arc of length 22cm in a circle of radius 100cm is 12.6 degrees