Download Given: Quadrilateral ABCD is an isosceles trapezoid and EF is the

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Geometry
Name ______________________________
The Big Trapezoid Puzzle
Period _________
Study the big trapezoid below and the given information as well as on the diagram. Use
the facts and your knowledge of trapezoids, quadrilaterals and triangles (don’t forget
about linear pairs, vertical angles, and angle addition too!) to find the measures of the
missing angles. Write the measure in their proper place on the diagram to get the measure
of every angle. Do NOT use a protractor or ruler, as angles may not be drawn to scale.
Given: Quadrilateral ABCD is an isosceles trapezoid
and EF is the midsegment (connects the midpoints!).
mBEH  mEDB,
BGH is a right angle,
m BGF = 50˚, mBEF = 25˚, mA = 75˚
A
H
B
G
E
F
D
C