Enny291015 Enny291015

15-06-2020
Mathematics

contestada

Find the largest angle in the triangle 2 x, 3 x and 42 respectively.

Please help me.

Respuesta :

mhanifa mhanifa

15-06-2020

Answer:

82.8°

Step-by-step explanation:

Sum of angles = 180°

2x+3x+42°= 180°
5x+42=180°
5x= 180°-42°
5x= 138°
x= 138°/5
x= 27.6°

2x= 2*27.6°= 55.2°

3x= 3*27.6°= 82.8°

Largest angle= 82.8°

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