3 years ago

Please what’s the answer to this ?

Mathematics

1 answer:

Nutka1998 [239]3 years ago

6 0

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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