Answer:
Step-by-step explanation:
area of rectangle = 120 cm²
area of triangle = 24 cm²
area of trapezoid = 144 cm²
12 * 10 = 120
12 * 4 = 48
48 / 2
add the triangle and rectangle area together
a- 2/10 divide the fraction by 6
b-2/17 divide the fraction by 3
Answer:x-12
Area=x^2-8x-48
Width=x+4
length=area/width
length=(x^2-8x-48)/(x+4)
length=((x+4)(x-12))/(x+4)
length=x-12
