GO
The area of a trapezoid is found using the formula
a4=
A=h(b₁ + b₂), where b₁ and b₂ are
A
of the trapezoid and h is the height. The area of a trapezoid is 18 km², with bases 5 km and 7 km. What is
the height, in kilometers?
A 3
B. 18
the parallel sides
C. 1
D. 4