To find the area of a rectangle multiply the length by the width. Substitute the values of length and width in the formula Area length width to compute the area of each rectangle. Area of a rectangle l x b here l length and b breadth In rectangle ABFE lengths AB FE 18 cm and breadths AE BF 16 cm Thus area of rectangle ABFE 18 x 16 288 cm 2 Similarly in rectangle GFDC lengths GF DC 14 cm and breadths GD FC 8 cm.
Circumference in Mathematics if the answers seem to be not correct or theres no answer.
Check out this colorful and fun video and learn how to find the area of a Rectangle. If you know some calculus you can treat part b as a max-min problem. The grey space is the area of the rectangle in the diagram below. Area of a rectangle length width Instrumental Understanding.