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35 votes
35 votes
Pls help with this:

Pls help with this:-example-1
User Tenshi
by
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1 Answer

20 votes
20 votes

Answer:

a=80° b=40°

Explanation:

a=80 (vertically opposite angles )

a+b+90+150 = 360° ( angle sum property of quadrilateral )

80+b+90+150 = 360

b+ 320 = 360

b= 360-320

b=40°

User BabyishTank
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3.2k points