A circle of radius r cm has a diameter of length r cm (b) 2r cm (c) 4r cm (d) `r/2c m`

A circle of radius r cm has a diameter of length (a) r cm (b) 2r cm (c) 4r cm (d) r/2c m

A circle of radius rm has a diameter of length rcm(b)2rcm(c)4rcm(d)((r)/(2))/((r)/(2))cm

In Figure, P R= (a) 20cm (b) 26cm (c) 24cm (d) 28cm

In figure,a right triangle ABC,circumscribes a circle of radius r.If AB and BC are of length 8 cm and 6 cm respectively, find the value of r.

In figure,a right triangle ABC,circumscribes a circle of radius r.If AB and BC are of length 8 cm and 6 cm respectively, find the value of r.

In figure,a right triangle ABC,circumscribes a circle of radius r.If AB and BC are of length 8 cm and 6 cm respectively, find the value of r.

In figure,a right triangle ABC,circumscribes a circle of radius r.If AB and BC are of length 8 cm and 6 cm respectively, find the value of r.

The area of a circle is increased by 22 c m^2 when its radius is increased by 1 cm. The original radius of the circle is (a)6 cm (b) 3 cm (c)4 cm (d) 3.5 cm

A sphere of radius 6 cm is melted and made three small spheres of radius 3 cm, 4 cm and r cm respectively, the value of r is ....................

In a circle of radius r, chords of length a and b cm subtend angles theta and 3 theta , respectively,at the center.Show that r=a sqrt((a)/(3a-b))cm