3 years ago

I need to find x thank you

Mathematics

2 answers:

DaniilM [7]3 years ago

7 0

Answer:

70 degrees

Step-by-step explanation:

First, remember that since two sides are congruent that this is an isosceles triangle. In an isosceles triangle, the two base angles (the angles opposite of the congruent sides) are congruent. That means to find x solve the equation 2x+40=180.

First, subtract 40 from both sides 2x=140, then divide by 2, x=70.

Therefore, x=70.

Georgia [21]3 years ago

3 0

180
180- 40=140
140 / 2= 70

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