Mention any two indirect measures of

Find the radius of the sphere whose volume is 562.5π cm³

A sector of a circle has a central angle of 60° and a radius of 10 cm. Find the area of the sector.( π = 3.14)

If I is the incentre of ΔABC , if  ∠ BAC = 75⁰ , then what is the measure of  ∠ BIC?

What is the sum of the supplementary and complementary angles of 60 ^° ?

Given are three points A(2, 7), B(4, -1), C(- 2, 6) on a plane. What kind of triangle is formed by joining the points A, B, and C?

If in a ΔABC, D is a point on BC such that BD = 3cm , BC = 5 cm then what is ratio of area of ΔABD to area of ΔADC ?

If G is the centroid and AD, BE, CF are three medians of ∆ABC with area 60 cm² , then the area of ∆EFG is?

The 2^nd approximation to a root of the equation x2-x-1-0 in the interval (1, 2) by Bisection method will be: