mimi7436 mimi7436

02-11-2020
Mathematics

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What is angle A please help

What is angle A please help class=

Respuesta :

fatimunir24 fatimunir24

02-11-2020

Step-by-step explanation:

sum of all angles in a triangle is 180 degrees

x + 3x + 13 + x - 8 = 180

5x + 5 = 180

5x = 175

x = 37°

A = 3x + 13

3(37) + 13

A = 124°

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