Mathematics, 05.02.2020 02:00 CassidgTab
The isosceles trapezoid abde is part of an isosceles triangle ace. find the measure of the vertex angle of ace. (see attachment)
a. 130 degrees
b. 60 degrees
c. 65 degrees
d. 50 degrees
i really need an explanation along with the answer,
Answers: 3
is isosceles, that means 
, by definition.
, because 
.
, by sumpplementary angles.
, by definition.
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The isosceles trapezoid abde is part of an isosceles triangle ace. find the measure of the vertex an...
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