0. Review of College Algebra

Find the measure of each marked angle. In Exercises 19–22, m and n are parallel. See Examples 1 and 2 .

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Classify the triangle below according to its sides and angles.

I. Equilateral

II. Isosceles

III. Scalene

IV. Acute

V. Obtuse

VI. Right

Calculate the missing side of the triangle below.

Find the missing angle $\(\theta\)$ for this right triangle.

Calculate the missing side of the triangle below.