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3 years ago

X+103=180 Enter the measurement of the exterior angle of the triangle.

Mathematics

2 answers:

Zigmanuir [339]3 years ago

3 0

Answer: x° = 77°

Step-by-step explanation:

x + 103 = 180

x = 180 - 103

x = 77°

also by properties:

x° = 42° + 35° = 77°

bearhunter [10]3 years ago

3 0

Answer:

Step-by-step explanation:

Remark

The two angles (x and 103 add up to 180. In other words x + 103 = 180. You treat this like an ordinary equation.

Solution

Subtract 103 from both sides.

x + 103 - 103 = 180 - 103

x = 77

You can check this. The two angles not connected to x should add up to x

42 + 35 = 77

77 has been checked to be 77

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