3 years ago

Two angles of a triangle have measures of 75and 62 degrees . What is the measure of the third angle?

Mathematics

1 answer:

777dan777 [17]3 years ago

4 0

9514 1404 393

Answer:

D. 43 degrees

Step-by-step explanation:

The sum of angles in a triangle is 180°. If x represents the measure of the third angle, then ...

75° +62° +x = 180°

137° +x = 180° . . . . . . . . . collect terms

x = 180° -137° = 43° . . . . subtract 137° from both sides of the equation

The third angle measures 43°.

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