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2 years ago

Examine triangle ABC. What is the value of x? 37 48 127 138

Mathematics

1 answer:

Flura [38]2 years ago

4 0

The outside angle of B needs to equal 180 - 79 = 101 degrees.

The 3 outside angles of a triangle need to equal 360 degrees.

Set up the equation with what we know:

X + (x+5) + 101 = 360

Simplify:

2x + 106 = 360

Subtract 106 from both sides:

2x = 254

Divide both sides by 2:

x = 254 / 2

x = 127

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jenyasd209 [6]

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