Jeamileth
03.06.2021 •
Mathematics
Find the value of x. Show all work.
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Ответ:
x= -9
Step-by-step explanation:
We are given that two sides are congruent. This means the triangle is isosceles. In an isosceles triangle, base angles are congruent. The unlabeled angle and m<2 would be equal because of this. Since the angles in a triangle sum up to 180, we can write an equation to model the situation:
m<2 + m<2 + 84 = 180
x + 57 + x + 57 + 84 = 180
2x + 198 = 180
2x = -18
x= -9
Ответ:
3/7 + 2/7 = 5/7 because you're adding 3 and 2 which gives you 5.