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frozen [14]
3 years ago
14

find the measure of the vertex anlge of an isosceles triangle if the measure of one base angle is 36°

Mathematics
1 answer:
atroni [7]3 years ago
5 0
Because it is an isosceles triangle, the two base angles have to be the same, so
36°+36°=72°
angles in all triangles add up to 180°, so
180°-72°=108°
unknown=108°
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Answer:

The answer to your question is x = 40°

Step-by-step explanation:

According to the picture we determine that the triangle to the right is  isosceles so two of its angles are equal.

Remember that the sum of the internal angles in a triangle equals 180°

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-Divide both sides by 2

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Gekata [30.6K]

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Keywords: multiplication, subtraction

Learn more about subtraction at:

  • brainly.com/question/12896802
  • brainly.com/question/13063819

#LearnwithBrainly

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