The vertex angle of an isosceles triangle measures 40°. What is the measure of a base angle?

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19-06-2016
Mathematics

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The vertex angle of an isosceles triangle measures 40°. What is the measure of a base angle?

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Mehek Mehek · Answer 1 · 2016-06-19T20:38:03+02:00

Mehek Mehek

19-06-2016

An isosceles has 2 same angle measures (base) and one vertext

180 - 40 = 140

Both angles of the base combined is 140

Divide by 2

140/2 = 70

The measure of one angle of the base is 70

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chickennoodlesoup180 chickennoodlesoup180 · Answer 2 · 2021-02-08T19:07:11+01:00

chickennoodlesoup180 chickennoodlesoup180

08-02-2021

Answer:

B) 70°

Step-by-step explanation:

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