Question

in the following figures ,find the area of the shaded regions:

anyone who will answer right with explanation will get 5 points, 1 more follower,more than 30 thanks and proud of brainliest answer​ but please answer in simple form ​

Answer 1

11) area of shaded region =

»»»ar( rectangle ) - ar (2 triangles) = 180 - ( 30+40)= 110cm²

♦ar( rectangle) = l ×b = 18 × 10 = 180²

♦ar of 1st triangle = 1/2 × b × h = 1/2 × 6 × 10 = 30

♦ar of 2nd triangle = 1/2 × 8 × 10 = 40

12) area of shaded region =

»»»ar ( square) - ar ( 3 triangles) = 400 - 250 =

150cm²

♦ar of square = a² = 20×20 = 400 cm²

♦ar of 1st triangle = 1/2×b×h = 1/2×10×10 = 50cm²

♦ar of 2nd triangle = 1/2×10 × 20 = 100cm²

♦ar of 3rd triangle = 1/2 × 10 × 20 = 100cm²