Use the figure for 6-7. A ramp leads from the ground to the back of a
truck as shown.
18°
20 in.
X
6. What is the distance along the ground
from the end of the ramp to the back of
the truck? Show your work.
7. How long is the ramp? Justify your
reasoning.
to

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:

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