math

The formula for the area of a trapezoid is A=1/2h(b1+b2) were h is the height of the trapezoid, and b1 and b2 are the base lengths of the trapezoid. Which formula can be used to find the length of b1?

  1. 👍 1
  2. 👎 0
  3. 👁 444
  1. A=1/2h(b1+b2)
    2A = hb1 + hb2
    2A - hb2 = hb1
    b1 = (2A - hb2)/h

    1. 👍 1
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. 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?

  2. calculus

    A water-trough is 10m long and has a cross-section which is the shape of an isosceles trapezoid that is 30cm wide at the bottom, 80cm wide at the top, and has height 50cm. If the trough is being fi lled with water at the rate of

  3. 9th grade algebra

    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. I know the answer is h =

  4. algebra 1 please help

    use the formula for the area of a trapezoid A=h(b1+b2) where A is area , b1 and b2 are (-----) 2 the lenght of the bases and h is the height, to answer the qustion. How many square feet of grass are there on a trapezoidal field

  1. algebra

    The area of a trapezoid is given by the formula A = 1/2 (b 1 + b 2)h, where base b 1 is parallel to base b 2 and h is the height. Solve the formula for b 2. Show your work

  2. Math

    Write and expression to represent the area of a trapezoid, which can be found by multiplying the height of the trapezoid by half of the sum of base1 and base2.

  3. algebra

    1. use the formula for the area of a trapezoid A=h ( b1+b2/2 ) where A is area, b1 and b2 are the length of the bases and h is the height, to answer the question. how many square feet of grass are there on a trapezoid field with a

  4. Math

    ABC is a right triangle with each leg divided into 5 equal segments as shown. If the largest trapezoid has the area 36 cm^2, then the area of the second smallest trapezoid is what?

  1. Algebra

    The lenght of one base of a trapezoid is 19 less than five times the length of the other base. If the trapezoid has a height of 18 feet and an area of 477 ft2, find the length of the longer base

  2. algebra

    1. use the formula for the area of a trapezoid A=h ( b1+b2/2 ) where A is area, b1 and b2 are the length of the bases and h is the height, to answer the question. how many square feet of grass are there on a trapezoid field with a

  3. Math

    A triangle and trapezoid share a 15 inch base and a height of 10 inches. For what values of b is the area of the trapezoid less than twice the area of the triangle?

  4. Math plz help one qustion 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

You can view more similar questions or ask a new question.