Find the value of x on this triangle

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Soumalya Banerjee asked Aug 7, 2023

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33 votes

Find the value of x on this triangle

Mathematics
college

Soumalya Banerjee asked Aug 7, 2023

by Soumalya Banerjee

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1 Answer

14 votes

if you split the equilateral triangle into two right angle triangles, each one has the angles

2x + 40 (it’s 40 because 80/2) + 90 = 180

2x + 40 + 90 = 180
2x + 130 = 180
2x = 50
x = 25

Nicholle answered Aug 11, 2023

by Nicholle

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