A man running along a circular track at the rate of 10 mile per hour traverses in 36 seconds an arc which subtends `56^@` at the centre. Find the diameter of the circle.

A man running along a circlar track at the rate of 10 miles per hour,traverses in 36 seconds, an arc which subtends 56^(@) at the centre.Find the diameter of the circle.

A horse running along a circular track of radius 27 ft passes over in 3 seconds an arc which subtends 70^@ at the centre. Find the distance the horse travels in half a minute.

A man running along a circular track has the speedof 10 km per hour. A source of light is at the centre of the circular track. A wall is along the tangent to the circular track at the point from which he starts.What is the speed of the shadow of the man on the wall when he covers 1/8th of the track? (Assume thetrack to be a line.)

Find the length of an arc of circle which subtends an angle of 108^@ at the centre, if the radius of the circle is 15cms.

Find the length of the arc of a circle of diameter 42 cm which subtends an angle of 60^(@) at the centre.

Find the length of an arc of a circle of radius 10 cm which subtends an angle of 45^(@) at the center

A train is running on a circular track of radius 1 unit cii km at the rate of 36km per hour. Find the angle,to the nearest minute,through which it will turn any.unit in 30 seconds.