Question

please solve this question​

Answer 1

Solution

area of the shaded portion..

$= (((9 + 5) \times (4 + 6)) - 0.5 (( 5 \times 4) + (8 \times 6) + (6 \times 9))) \\ = (140 - 0.5(20 + 48 + 54)) \\ = 140 - 0.5(122) \\ = 140 - 61 \\ = 79 \: cm {}^{2}$