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asambeis [7]
4 years ago
11

For each triangle, find the values of the variables

Mathematics
2 answers:
Rzqust [24]4 years ago
6 0

Because the opposite sides are congruent, so are the angles.

4x+20=40

subract 20 from both sides

4x=20

divide by 4 on both sides

x=5

mote1985 [20]4 years ago
6 0
Since the sum of the triangle is 180 the
4x+20+40 + x = 180

5x +60=180
5x=180-60

5x=120

5x/5 = 120/ 5
1..x = 24

2...4x+20 = 4×24+ 20 =116
3 ... 40


add all angles 1,2and 3 it will be 180

the triangle in the question is not drawn correctly. ..
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