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3 years ago

Find the measure of each angle

Mathematics

1 answer:

andre [41]3 years ago

6 0

3.) 20 + 130 + ? = 180

150 + ? = 180

? = 30°

5. A straight line is 180°, so you could do 137 + x = 180 to find the angle of the top of the triangle. x = 43°

Next find the last missing angle of the triangle. 102 + 43 + x = 180

x = 35°

To find ? you do: 35 + ? = 180

? = 145°

6. ? = 135° (use the steps above and try to find the missing angles of the triangle to help you find ?)

7. ? = 130°

8. ? = 85 °

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