Posted by **G** on Friday, February 15, 2008 at 10:59am.

Fomula: A=1/2(b1+b2)h

A=area of a trapezoid

b1=width at the top

b2-width at the bottom

h=height

A 7-foor tall trapezoid has 42 square feet of area. If is is 9 feet wide at the bottom, how far across is it at the top?

## Answer This Question

## Related Questions

- calculus - A water-trough is 10m long and has a cross-section which is the shape...
- algebra - sooo confusing... 6. (¼ + 7/8)(9/13) A81/13 B17/104 C81/104 D17/29 E17...
- geometry help - a trapezoid has base lengths of 4 and 19 feet, with an area of ...
- algebra - The formula for the area of a trapezoid is A = h(B + b) 2 . The area ...
- Geometry - I missed this problem on my test. I had 23 ft and the correct answer ...
- Algebra - Trapezoid. Height is 16m, one base is 2 20m, and the area is 224 m ...
- MATH - A rectangle pen for a pet is 5 feet longer than it is wide. Give possible...
- math - A retangular pen for a pet is 5 feet longer than it is wide. Give ...
- evaluating a math question - a Rectanglular pen for a pet is 5 feet longer than ...
- algebra - a1. Simplify 5 + (7-1)2/6 A11 B41/6 C51/6 D7 E17/6 F23 b2. Simplify (...

More Related Questions