Question

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Answer 1

Answer:

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Answer 2

Answer: x= 10

Step-by-step explanation: 20+3x= 5x (because, sum of the two interior angles of a triangle is equal to exterior angle)

                                        => 20= 5x-3x

                                        => 20= 2x

                                        => x= 20/2= 10

∠A= 3x= 3x10= 30

∠C= 5x= 5x10= 50