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3 years ago

The base angle of an isosceles triangle measures 54°. What is the measure of its vertex angle?

Mathematics

2 answers:

Elena-2011 [213]3 years ago

5 0

Hope this helps :) If you have a doubt just comment :)

KATRIN_1 [288]3 years ago

3 0

<h3> ♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ Isosceles base angles are equal

Therefore, the other base angle would also be 54 degrees

Angles in a triangle total to 180 degrees

Now you can calculate:

180 - (54 + 54) = 72

The vertex angle is 72 degrees.

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

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