CPM Homework Help : GC Problem 1-55

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Home > GC > Chapter 1 > Lesson 1.2.1 > Problem 1-55

1-55.

Estimate the size of each angle below to the nearest $10°$ . A right angle is shown at right for reference so you do not need a protractor.

Hint:

Look at problem 1-42. How do the angles relate to the right angle?

Answer (a):

$120°$

Answer (b):

$40°$

Answer (c):

$230°$

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