Respuesta :

choixongdong

Answer:

x = 15

Step-by-step explanation:

Given: ∠RST = 65, m∠QST = 2x, and m∠QSR= 3x – 10

∠QST + ∠QSR = ∠RST

Plug in

2x  + 3x – 10 = 65

Combine like terms

5x - 10 = 65

Add 10 to both sides

5x = 75

Divide both sides by 5

x = 15

So answer: x = 15

Answer: x = 15

Step-by-step explanation:

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