If the incentre of an equilateral triangle lies inside the triangle and its radius is 3 cm, then the side of the equilateral triangle is

If ABC is an equilateral triangle and P, Q, R respectively denote the middle points of AB, BC, CA then.

Let ABC be an equilateral triangle and AX, BY, CZ be the altitudes. Then the right statement out of the four given responses is

If in a triangle, the circumcenter, incentre, centroid and orthocenter coincide, then the triangle is

If the orthocenter and the centroid of a triangle are the same, then the triangle is:

The side of a trapezium pyramid with a square base is 24 cm. and its height is 5 cm. What will be the area of its oblique surface in cm²?

If the circumradius of an equilateral triangle ABC is 8 cm, then what is the height of the triangle?

The two vowels touch each other internally. Their radii are 2 cm and 3 cm. What will be the length of the largest chord of the bigger circle outside the inner circle?