Question

plzzzz tell this question
I will mark the brainliest
please...........​

Answer 1

Answer:

100 °

Step-by-step explanation:

total of all 4 angles is 360

so Q+R = 360-150-50 = 160

sum of half of Q and half of R = 160/2 = 80

total of angles of a triangle is 180 , so QTR = 180-80 = 100