30-04-2020
Mathematics

contestada

Determine all three angle measurements in Triangle XYZ that has angles that measure (2x - 15), (x - 5)º and 42º.

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Isiaqnurudeen09 Isiaqnurudeen09

30-04-2020

the sum of triangle is 180°

(2x-15)+(x-5)+42°=180°

2x+x-15°-5°+42°=180°

3x+22°=180°

3x=180°-22

3x=158°

x=52.67°

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