Find the area of the figure. The figure of a triangle a rectangle and a parallelogram. Find the area of each figure

Step-by-step explanation:

1) Area of triangle =(1/2)*base*height

                          =(1/2)*11.2*4.5 =5.6*4.5 = 25.2 sq.cm

Area of rectangle = length*width =8 * 4.5 = 36.0 = 36 sq.cm

Area of parallelogram = base * height = 8 *6.7 = 53.6 sq.cm

Area of the figure = 25.2 + 36 + 53.6 = 114.8 sq.cm

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step-by-step explanation:

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!