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PLEASE HELP!!!

ACE is an isosceles triangle. What is the measure of the vertex angle? ​

PLEASE HELP!!! ACE is an isosceles triangle. What is the measure of the vertex angle-example-1
User Jimadine
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1 Answer

2 votes

Answer:

30 degrees

Explanation:

all angles in all triangles total 180*

each base angle of an isosceles triangle equals 75*

since 75* + 75* = 150*

150* of the triangle are accounted for

Since 180* - 150* = 30* then the vertex angle should be 30* so that the angles of the triangle are all equal

User Olof
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