Question
Construct an angle at 90 degree at the initial point of a given ray and justify the construction.
D E and F are the midpoints of the sides BC CA and ab of a triangle ABC show that AB is a parallelogram area of area of ABC and area of ABC
Find the cost of the framing a square Park of side 60m at the rate of rupees 12per metre
Construct a wall with 24 cm length 2.4 thick 6 metre height bricks of dimension 25 cm into 6 into 10 each use if the motor occupies one tenth of the volume of wall find the bricks in the wall