Question

Ajutoooooooooorrrrrrr​

Answer 1

Răspuns:

Explicație pas cu pas:

1)

∡A=∡B=143°

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2)

2x+35= 4x-85

4x-2x= 120

2x= 120

x= 120:2

x= 60 °

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∡A= 2x+35

∡A=2*60+35

∡A= 155°

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∡B=4x-85

∡B= 4*60-95

∡B=55°

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3)

2x+25+4x+65=180°

2x+4x=180-25-65

6x= 90

x= 90:6

x= 15°

-∡A= 2*15+25

∡A= 55

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∡B= 4*15+65

∡B=125°

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