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Please help me!!!!!!!!!!!!!

Please help me!!!!!!!!!!!!!-example-1
User Wablab
by
8.2k points

1 Answer

2 votes

Answer:

b=70

Explanation:

The sum of the opposite angles of a triangle is equal to the exterior angle

a+b = 140

We know that a=b since PQ = RQ

The angle opposite equal sides are equal

Replace a with b since a =b

b+b = 140

2b = 140

Divide by 2

2b/2 =140/2

b = 70

User Daniel Weigel
by
8.7k points

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