3 years ago

In the isosceles trapezoid ABCD, find m

Mathematics

1 answer:

aivan3 [116]3 years ago

8 0

Answer:

answer C

Step-by-step explanation:

Isosceles trapezoids have the property that opposite angles are supplementary.

Here are some needed properties of isosceles trapezoids.

<C and <D are supplementary

<A = <D

<B = <C

<D + <B = 180

<D = 110 Given

110 + <B = 180 Subtract 110 from both sides..

<B = 70

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