Area of trapezoid:
A= (a+b)*h / 2
where:
a= top base
b= bottom base
h= height
note: a and be are the only parallel sides in a trapezoid
240 = (10+b)*20 / 2
solve for b
Need help with this
The area of a trapezoid is 240 cm2. The height is 20 cm and the length of one of the parallel sides is 10 cm. Find the length of the second parallel side
3 answers
240=(10+b)*20/2
12 cm