Question

determine o valor de cada ângulo do triângulo RJM, R: X+40°, J: 3X+15°, M: 2X+5°​

Answer 1

Resposta:

(x+40)+(3x+15)+(2x+5)=180

6x+60=180

6x=180-60

6x=120

x=120/6

x=20°

x+40= 20+40= 60°

3x+15= 3(20)+15= 60+15= 75°

2x+5= 2(20)+5= 40+5= 45°

V={60°,75°,45°}