Question

s-Calcule o valor dix na figura
• Oltx
XE
x-10-​

Answer 1

Resposta:

x = 12°

Explicação passo-a-passo:

x + 40 + 3x + x - 10 = 90

x + 3x + x = 90 - 40 + 10

4x + x = 90 - 40 + 10

5x = 90 - 40 + 10

5x = 50 + 10

5x = 60

x = 60/5

x = 12

Answer 2

Resposta:

$\Large x + 40° + 3x + x - 10° = 90° \\ \\ \Large x + 3x + x + 40° - 10° = 90° \\ \\ \Large 4x + x + 30° = 90° \\ \\ \Large 5x + 30° = 90° \\ \\ \Large 5x = 90° - 30° \\ \\ \Large 5x = 60° \\ \\ \Large x = \frac{60°}{5} \\ \\ \Large \boxed{ \green{x = \bf 12{}^{o}}} \\ \\ \Large \boxed{ \underline{ \blue{ \bf \: Bons \: Estudos!} \: \bf \: 17/05/2021}}$