Find the radius of a circle in which a central angle of `45^(@)` intercepts an are of 187 cm.

Find the radius of the circle in which the central angle of 15^(@) intercepts an arc of length (5pi)/(12) cm.

Find the radius of the circle in which a central angle of 45^0" intercepts an arc 132cm (Use pi=22/7)

Find the radius of the circle in which a central angle of 60^@ intercepts an arc of length 37.4 cm (use pi=(22)/7 ).

Find the length of the radius of a circle in which a central angle of 60^(@) subtends an are of length 8pi inches.

Find the area of a circle of radius 4.2 cm

Find the area of a circle with radius 3.5 cm.

Find the radius of a circle in which an arc of 37.4 cm subtends an angle of 60^(@) at the center.

Find the area of a circle of radius 5.6 cm.

The radius of a circle is 7 cm. Find its area

Find the area of a sector of a circle of radius 28cm and central angle 45^(@) .