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Ni yo se nomas ayuden pls

Ni yo se nomas ayuden pls-example-1
User TyluRp
by
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1 Answer

8 votes

Answer:

∠A=120°; ∠B=20°.

Explanation:

1) ∠A+∠B+∠C=180°;

2) 6x+x+40=180°; ⇒ x=20;

3) ∠A=6x; ⇒ ∠A=120°;

∠B=x; ⇒ ∠B=20°.

User Simeon Ikudabo
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7.3k points