Question

Find the area of the shaded portion. 15cm 5cm (a) 10cm -20cm-​

Answer 1

Answer:

area of the rectangle= 20 * 10= 200 cm square.

area of the non shaded triangle= 1/2* 10*15= 75

area of shaded portion= area of eectangle- area of triangle= 200- 75= 125

Answer 2

Answer:

50 cm

Step-by-step explanation:

perimeter of a rectangle = (20×2+10×2=60) and we have to substract 10 from 60, so, it will 50. so the shaded part of the rectangle is 50 cm