rihanatsuarau650 rihanatsuarau650

15-12-2020
Mathematics

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Please what’s the answer to this ?

Please whats the answer to this class=

Respuesta :

Аноним Аноним

15-12-2020

Answer:

x=-10

Step-by-step explanation:

so a triangle is 180 degrees

look at this all sides are congruent so all angles are 60

60*3=180

now solve for x

x+70=60

x=-10

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