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Home > MC1 > Chapter 8 > Lesson 8.3.2 > Problem 8-94
8-94.
Find the measure of the missing angle in each triangle below.
Since we know that the angles of a triangle add together to
and that the right angle is , we know that . This is the same as saying that
plus the value of adds up to . What must be the measure of angle ?
Follow the same steps as in part (a). Remember that the sum of the angles of a triangle is
.