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Please please please help if I get this wrong I will fail

Please please please help if I get this wrong I will fail-example-1
User Ro Yo Mi
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1 Answer

5 votes

a = 40° (vertical angles are equal)

b = 90 - 40 = 50° (sum of all interior angles in a triangle is equal 180 but one angle is 90° so a + b = 90°)

c = 180 - 65 = 115° (angle c and 65° are supplementary angles, so sum = 180°)

User Royson
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