Question

solve this equation in this photo
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Answer 1

Step-by-step explanation:

From the figure, 

∠QPR+∠PQR+∠PRQ=180o [Angle Sum Property]

Consider ∠PQR=∠PRQ=x

⇒40+y+y=180o

⇒2y=140

∴y=70o

Also, let ∠SQR=∠SRQ=z

⇒∠SQR+∠SRQ+∠QSR=180o

⇒2z=110o

⇒z=55o

Then xo=y−z=70o−55o=15o

Answer 2

Answer:

150

Step-by-step explanation:

hope its correct thank you