geometry
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GEOMETRY HELP PLEASE
The bases of trapezoid $ABCD$ are $\overline{AB}$ and $\overline{CD}$. We are given that $CD = 8$, $AD = BC = 7$, and $BD = 9$. Find the area of the trapezoid.
asked by Sarah on April 23, 2016 
calculus
A watertrough is 10m long and has a crosssection 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
asked by asdf on December 1, 2012 
Maths
Isosceles triangle $ABE$ of area 100 square inches is cut by $\overline{CD}$ into an isosceles trapezoid and a smaller isosceles triangle. The area of the trapezoid is 75 square inches. If the altitude of triangle $ABE$ from $A$
asked by Anonymous on February 15, 2018 
Math
The bases of trapezoid ABCD are AB and CD. Let P be the intersection of diagonals AC and BD. If the areas of triangles ABP and CDP are 8 and 18, respectively, then find the area of trapezoid ABCD.
asked by ASDF on November 23, 2013

Geometry
Quadrilateral ABCD is a parallelogram. If adjacent angles are congruent, which statement must be true? A. Quadrilateral ABCD is a square. B. Quadrilateral ABCD is a rhombus. C. Quadrilateral ABCD is a rectangle. D. Quadrilateral
asked by Lauren on July 5, 2017 
math
The cross section of an attic is in the shape of an isosceles trapezoid. If the height of the attic is 9 feet, BC=12 feet, and AD=28 feet, find the length of line AB to the nearest foot. The triangle of the trapezoid is triangle
asked by anthony on April 11, 2009 
Geometry
ABCD is a trapezoid. If AC is equal to 8x  3 and BD is equal to 2x + 9, find the value of x so that ABCD is isosceles.
asked by Anonymous on September 4, 2011 
geometry
An isosceles trapezoid has base angles equal to 45 and bases of lengths 6 and 12. Find the area of the trapezoid.
asked by john on March 8, 2011

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.
asked by Tracy on March 19, 2011 
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
asked by Marie on February 4, 2016 
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
asked by Anonymous on August 24, 2018 
math
which figure has the same area as the parallelogram shown below? A.a triangle with a base 4 mm and a height of 20 mm B.a trapezoid with the base of 15 mm and 25 mm and a height of 2 mm C.a trapezoid with bases of 6 mm and 14 mm
asked by help math on February 24, 2017
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