IXL - Properties of trapezoids (Geometry practice)

is not parallel to

what is

∠

126°

∠

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Learn with an example

question

is the midsegment of the trapezoid

and

what is

key idea

When the midpoints of two legs of a trapezoid are connected, they form the midsegment. The midsegment is parallel to each base and its length is half the sum of the base lengths.

is the midsegment of trapezoid

∥

and

(

)

solution

is the midsegment of the trapezoid

So,

is half the sum of

and

. Set

equal to half the sum of

and

, and solve for

(

)

Plug in

and

(

)

Plug in

and

Multiply both sides by 2

Subtract 42 from both sides

So,

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Teacher tools

Work it out

Not feeling ready yet? These can help:

O.1Identify trapezoids

O.2Classify quadrilaterals I

C.13Solve linear equations: mixed review

C.4Find measures of complementary, supplementary, vertical, and adjacent angles

N.1Midsegments of triangles

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