Odpowiedzi

2010-01-22T16:48:51+01:00
1.
2x+35=180
x=72.5

x=72.5
y=180-72.5=107.5

2.
4x=180
x=45
y=135
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2010-01-22T17:00:21+01:00
1.
α+β=180°
α=β+35°

α=180°-β
180°-β=β+35°

α=180°-β
-β-β=35°-180°

α=180°-β
-2β=-145°/:(-2)

α=180°-β
β=72,5°

α=180°-72,5°
β=72,5°

α=107,5°
β=72,5°

2.
α+β=180°
α=3β

α=180°-β
180°-β=3β

α=180°-β
-β-3β=-180°

α=180°-β
-4β=-180°/:(-4)

α=180°-β
β=45°

α=180°-45°
β=45°

α=135°
β=45°
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