Scale factor = 12 ÷ 6 = 2
61 ÷ 2 = 30.5 units
I believe if I did this correctly, it should be 4 2/7, hope this helps!
Step-by-step explanation:
it it can be calculated by using the quadratic formula.
X=-b+_(√b^2-4ac)/2a
See the attached figures.
The area of this trapezoid = 576
cm²