Question

please tell me the answer for this four mark​

Answer 1

Step-by-step explanation:

from∆ qtr

angle q+angle t+angle r=180°

40 +90+x=180

x=180-130

x=50°

from∆prs

angle p+r+s=180°

30+50+ s=180

s=100°

y+s=180° ( supplementary angle)

y=180-100=80°

so x and y are 50° and 80° respectively

i think it is helpful for you all

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