Question

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Please answer me.

Correct answer will be marked as brainlist.......
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Answer 1

Step-by-step explanation:

a:b=2:3

5x=90

x=18

a=36

b=54

b+c=180°

c=126

pqr+pqs=prq+prt

pqr+pqs=pqr+prt

so pqs=prt

x+y=w+z

x+y+w+z=360

x+y+x+y=360

x+y=180

so AB is a straight line......

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