If a company is evaluating two investment alternatives

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

The internal bisector of ∆ABC at ∠A cuts BC on D and cuts the circumcircle at E. If DE = 6cm, AC = 8cm and AD = 10 cm, then find the length of AB?

What will be inradius of an equilateral triangle of side 4 cm?

If in a ΔABC, AD is internal angle bisector & D is a point on BC, AB = 10 cm, BC = 12 cm then what is BD:CD?

In ∆ABC , G is the centroid , AB = 20 cm, BC= 24 cm and AC = 28 cm , find GD, where D is the mid-point of BC?

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

The length of the each side of an equilateral triangle is 14√3. The area of incircle, (cm ² ) is

Angles of a triangle are in the ratio 3 : 4 : 8. Find the measure of the largest angle of the triangle.