3 years ago

6 pls literally. Begging

Mathematics

2 answers:

dmitriy555 [2]3 years ago

4 0

Answer:

X = 12

All triangles add up to 180* so we first need to add the angles

45 + 80 = 125

180 - 125 = 55

We need to have x contribute to the angle being 55*

3 + 19 = 22

55 - 22 = 33

3 x 12 + 19 = 55

x = 12

Step-by-step explanation:

Mazyrski [523]3 years ago

3 0

Answer:

180=144+3X

X=12

Step-by-step explanation:

angles must add to 180

180=45+80+3X+19

gather like terms

180=144+3X

subtract

36=3X

divide

X=12

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