What will come in the place of question mark (?) in the

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

If G is the centroid and AD, BE, CF are three medians of ∆ABCwith area 24 cm ² , then the area of ∆CGD is?

The lengths of three medians in a triangles are 30 cm, 40 cm, 50 cm. What is the area of that traingle (in cm ² )?

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

If O is circumcentre of acute angled triangle ABC, if ∠  BOC = 100˚  then  ∠ BAC = ?

The perimeter of a rectangle is 48 cm, and the ratio of its length to breadth is 3:5. What is the area of the rectangle?

If G is the centroid and AD, BE, CF are three medians of ∆ABC with area 54 cm ² , then the area of ∆BGD is?

What will be inradius of a right angle triangle whose base is 12 cm & height is 35 cm ?

Determine the difference between an angle and its complementary angle, given that the angle is two-thirds of its complement.