Question

Find the area of the shaded polygons: all of them not one

Answer 1

Answer:

6 sq units, 4 sq units, 6 sq units

Step-by-step explanation:

Method:

count dots inside ...(a)

the ones on the border of the polygon and divide by two ...(b)

(a)+(b)-1 = area

use this method for the red, green, and yellow polygons.

Red:

(a): 2

(b): 10/2 = 5

2+5-1 = 6 sq units

Green:

(a): 0

(b): 10/2 = 5

0+5-1 = 4 sq units

Yellow:

(a): 3

(b): 8/2 = 4

3+4-1 = 6 sq units

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