Find the angle subtended at the centre of a circle of radius `' a '` by an arc of length `(api//4)` .

Find the angle subtended at the centre of a circle of radius 'a' by an arc of length (a pi/4)

Find the angle subtended at the centre of a circle of radius 5 cm by an arc of length (5pi//3)c m .

Find the angle subtended at the centre of a circle of radius 5cm by an arc of length (5 pi/3)cm.

What is the angle subtended at the centre of a circle of radius 10 cm by an arc of length 5 pi cm?

What is the angle subtended at the centre of a circle of radius 5cm by an arc length 4pi cm?

What is the angle subtended at the centre of a circle of radius 6 cm by an arc of length 3\ pi\ c m ?

What is the angle subtended at the centre of a circle of radius 6 cm by an arc of length 3\ pi\ c m ?

Find the degree measure of the angle subtended at the centre of a circle of radius 100 cm by an arc of length 22 cm (Use pi= 22/7 ).

Find the degree measures of the angle subtended at the centre of a circle of radius 100 cm by an arc of length 22 cm (usepi=22/7)