Find the area of the following regular shaped figures: b. A triangle whose height is 11m and base is 7m.

Find the area of the following regular shaped figures: c. A square of side 20m.

Find the area of the following regular shaped figures: a. A circle whose diameter is 70 cm.

Find the area of an isosceles triangle whose perimeter is 36 cm and base is 16 cm.

Find the length of the side and perimeter of an equilateral triangle whose height is sqrt 3 cm . (i) Delta ABC is an " equilateral triangle" . (ii) "seg" AM bot side BC, B - M - C (iii) AM = sqrt 3 cm