Question

Please tell me the answer of questions number 1 fast please

Answer 1

Answer:

2x + 15 = 70+45

2x= 70+30

x= 100 ans.

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Answer 2

Step-by-step explanation:

sum of three angles in a triangle is 180°

1)70°+45°+x°=180°

x=60°

exterior angle=2x+15°=2(60°)+15=120+15=135

2)75°+65°+x°=180°

x°=40°

exterior angle=2x+20°=2(40)+20°=80°+20°=100°

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