I x i x i x i x i x i x i x i x i x i x i x i x i x i x i
Supplementary is when 2 angles add up to 180°.
180°-40°=140°
G(1) = 2(1) + 4 = 6
g(1) = 6
Instead, break down the shape into rectangles. Next, calculate the area of both rectangles and add them together. The area of the first rectangle is 72 square centimeters and the area of the second rectangle is 50 square centimeters. Together there are 72 + 50 = 122 square centimeters.
That is how u find a irregular figure..hope this help u