pwnless pwnless

17-01-2021
Mathematics

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how do you solve this?

how do you solve this class=

Respuesta :

cuviulvliy cuviulvliy

17-01-2021

Answer:

x=25°, y=10°

Step-by-step explanation:

∠A+∠B=180°

8y+10y=180°

18y=180°

y=10°

∠B+∠C=180°

10y+4x-20°=180°

10*10°+4x=180°+20° (y=10°)

100°+4x=200°

4x=200°-100°

4x=100°

x=25°

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