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3 years ago

The interior ages of a triangle have measure

Mathematics

2 answers:

Solnce55 [7]3 years ago

8 0

Answer:
100 degrees just think about how all the angles in a triangle add up to 180 degrees

Nina [5.8K]3 years ago

3 0

Answer:

See below in bold.

Step-by-step explanation:

1. The 3 angles in a triangle add up to 180 degrees.

So x = 180 - (55 + 25)

= 180 - 80

= 100 degrees.

2. The 4 angles in a quadrilateral add up to 360 degrees,, so

3x + 127 + 54 + 119 = 360

3x + 300 = 360

3x = 360 - 300

3x = 60

x = 20 degrees.

3. Exterior angle

= 94 + 42

= 136 degrees.

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