Mathematics: I NEED HELP WITH GEOMETRY

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I NEED HELP WITH GEOMETRY - id14573312, jsnsnsns

Ответ:

dianereyes7475

11.10.2021

Mathematics

a. 136 $units^{2}$

b. 92 $units^{2}$

Step-by-step explanation:

a. Find the area of the triangle and the area of the rectangle, then subtract the area of the rectangle by the triangle.

Area of triangle: bxh / 2 = 32x16 / 2

= 512 / 2

= 256

Area of rectangle: bxh = 20 x 6

= 120

Total area: 256 - 120 = 136 $units^{2}$

b. Just like a., find the area of the white triangle and the rectangle, then subtract the area of the triangle by the rectangle.

Area of triangle: bxh / 2 = 23x8 / 2

= 184 / 2

= 92

Area of rectangle: bxh = 23 x 8

= 184

Total area: 184 - 92 = 92 $units^{2}$

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