Lesson#13
Question No. 7
Q.7 What is the length of the arc intercepted on a circle of radius 14cm by the arms of a central angle of 45°?
Question No. 8
Q8. Find the radius of circle, in which the arms of a central angle of measure 1 radian cut off an arc of length 35 cm?
Question No. 9
Q9. A railway train is running on a circular track of radius 500 meters at the rate of 30 km per hour, through what angle will it turn in 10sec?
Exercise No.9.1
Chapter No.9
Fundamentals of Trignometry
maths
part 1