The device used for converting alternating

What will be inradius of a right angle triangle whose base is 15cm & height is 8cm ?

In ∆ABC , G is the centroid , AB = 5 cm, BC= 8 cm and AC = 7 cm , find GD, where D is the mid-point of BC?

In ∆ABC , G is the centroid , AB = 8 cm, BC= 12 cm and AC = 14 cm , find GD, where D is the mid-point of BC?

If O is the orthocentre of ΔABC , if ∠ BOC = 120 ⁰ then what is the measure of  ∠ BAC?

If O is the orthocentre of ΔABC , if ∠ BOC = 140⁰ then what is the measure of  ∠ BAC?

The radius of a sphere is 12cm. The surface of the sphere is what percent of its volume

In ∆ABC , G is the centroid , AB = 18 cm, BC= 24 cm and AC = 30 cm , find GD, where D is the mid-point of BC?

The measure of an angle is one-third of its supplementary angle. Find its measure.