The angle of semicircle is.......

The angle in a semicircle measures

The area of a semicircle is 77 cm^(2) . Calculate its perimeter (in cm).

The area of a semicircle is 1925 cm^2 . Calculate its perimeter (in cm).

The area of a semicircle is 308 cm^(2) . Find its perimeter

Consider the following statements I. The perpendicular bisector of a chord of a circle does not pass through the centre of the circle. II. The angle in a semicircle is a right angle. Which of the statements given above is/are correct?

Consider the following statements : 1.The perpendicular bisector of chord of a circle does not pass through the centre of the circle. 2. The angle in a semicircle is a right angle. Which of the statements given above is/are correct ?

A wire of length l and mass m is bent in the form of a semicircle. The gravitational field intensity at the centre of semicircle is