solve for h

The formula for finding the area of a trapezoid is
A = 1/2 (b1 + b 2)h where A represents the area
of the trapezoid, b1 and b2 are bases, and h represents the height. Solve the formula for h.

h =

2A/b1 + b2

but I don't understand why...can you explain step by step

I tried dividing b1 + b2 from both sides..i just don't know..please and thank you

1. 👍
2. 👎
3. 👁
1. The b1+b2 quantity is just a number, like any other. You can divide by it, just like you divide by the 1/2...

1/2 (b1 + b 2)h = A
(b1+b2)h = 2A
h = 2A/(b1+b2)

1. 👍
2. 👎
2. 2a/b=h

1. 👍
2. 👎
3. U guys did not

1. 👍
2. 👎

## Similar Questions

1. ### math Ms Sue help??

Calculate the area of the trapezoid, which is not drawn to scale. Is this formula right? A = (5+4) x 11/2 =49.5 Paraell sides are 8 in and 11 in. top is 5 inch bottom is 4 in. Wtih two little boxes on each side. Please help me

2. ### geometry

The trapezoids are similar. The area of the smaller trapezoid is 564m^2. Find the area of the larger trapezoid to the nearest whole number. The smaaler trapezoid is 24m, and the larger trapezoid is 57m. Possible answers:

3. ### Math

1. A parking lot space is in shape of a rectangle. If the space has a length of 23 feet and a width of 12 feet, what is the area of the parking space? A.128ft2 B.266ft2 C276ft2**** D138ft2 2. Each blade on a windmill is in shape

4. ### Math 7B

1. Find the area of the trapezoid. (1 point) A. 270 mm2 B.375 mm2 C.750 mm2 D.3780 mm2 2. Find the area of the trapezoid. (1 point) A.1543.5 m2 B.220.5 m2 C.294 m2 D.588 m2 3. A trapezoid has an area of 24 square meters. The

1. ### MATH

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. The vertical left edge of a trapezoid is 8 inches and meets the bottom edge of the trapezoid at a right angle. The bottom

2. ### Math plz help one question only!!!!!!!!!!!!!!!!!!!!

A trapezoid has an area of 24 square meters. The lengths of the bases of the trapezoid are 5 meters and 7 meters. What is the height of the trapezoid? • 4 meters************ • 144 meters • 2 meters • 1 meter

3. ### Math

The area of a trapezoid is 18sq. ft and the sum of its bases is 6 ft. Find the area of a square whose side is equal to the height of the trapezoid.

4. ### 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

1. ### Geometry

The trapezoids are similar. The area of the smaller trapezoid is 244m2 find the area of the larger trapezoid to the nearest whole number.

2. ### math

the formula for the area of a trapezoid is a=1/2h(b1+b2). which equations area of a trapezoid is a=1/2h(b1+b2). which equations are equivalent to the formula? h=2a/b1+b2, B1=2a/h-b2, b2=2a/b1-h, b2=2a/h-b1, or b1-2a/b2-h?

3. ### Math

1.(1 point) Find the area of the trapezoid. 14mm,15mm,36mm A.270mm2 B. 375mm2 C. 750mm2 D. 3780mm2 2.(1 point) Find the area of the trapezoid. 7m,21m,21m A. 1543.5m2 B. 220.5m2 C. 294m2 D. 588m2 3.(1 point) A trapezoid has an area

4. ### Math

The sides of two similar trapezoids are in a ratio of 1:3. The area of the smaller trapezoid is 12 inches squared. Find the area of the larger trapezoid