Find the area of the equilateral triangle. round to the nearest tenth.

12 on the left side of the triangle. each three side it shows has a line right in the middle.

62.4 cm2

124.8 cm2

72 cm2

36 cm2

area of part 1:

a1=base*height/2=(8+2)*(8-2-2-1)/2=10*3/2=15 ft^2

area of part 2:

a2=length*width=(8+2)*1=10 ft2

area of part 3:

a3=length*width=8*2=16 ft2

total shaded area : a1+a2+a3=41 ft2

total area of the reactangle : a=16*8=128 ft2

total area of the nonshaded region : 128-41=87 ft2

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step-by-step explanation:

step-by-step explanation: