# Geometry

posted by .

A trapezoid has an altitude of 12 cm. Its parallel sides measure 10 and 8 cm, respectively. What is it's area?

• Geometry -

A = ((B1 + B2) /2)h.

A = ((10 + 12) / 2)12,
A = (22 / 2)12 = 132cm^2.

## Similar Questions

1. ### geometry

the equal sides of an isosceles trapezoid eah measure 5, and its altitude measures 4. if the area of the trapezoid is 48, find the lengths of its bases.
2. ### geometry

The equal sides of an isosceles trapezoid each measure 5, and its altitude measures 4. If the area of the trapezoid is 48, find the lengths of its bases.
3. ### geometry

could you answer the question? Baes are isosceles trapeziods with parallel sides that measure 15 cm. and 25 cm. the distance between the parallel sides is 12cm. and the length of each of the equal sides is 13cm. the height of the prism
4. ### Consumers

A trapezoid has an altitude of 12 cm. Its parallel sides measure 10 and 8 cm, respectively. What is it's area?
5. ### math

A Trapezoid has an altitude of 12 cm.. its parallel sides measure 10 and 8 cm .. Whats the area
6. ### Geometry

I have four questions: 1. The area of trapezoid ABCD is 60. One base is 4 units longer than the other, and the height of the trapezoid is 5. Find the length of the median of the trapezoid. 2. In trapezoid ABCD, line BC is parallel …
7. ### Geometry

The measure of the consecutive sides of an isosceles trapezoid are in the ratio 8:5:2:5 the perimeter of the trapezoid is 140 inches if it's height is 20 inches find the area of the trapezoid
8. ### math

The 2 parallel sides of a trapezoid measure 12 feet and 6 feet. If the height of the trapezoid is 7 feet. What is the area of the trapezoid?
9. ### Math Urgent

1. A hexagonal prism 6ft tall with a regular base measuring 9ft on each and an apothegm of length 7.8ft. 2. A prism 2m tall. The base is trapezoid whose parallel sides measure 7m and 3m. The other sides are each 4m. The altitude of …
10. ### Math

A trapezoid has parallel sides 13 and 21 cm long. The longer of the two nonparallel sides is 17 cm and the shorter is perpendicular to a parallel side. What is the area of the trapezoid?

More Similar Questions