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The branch of Mathematics that deals with the study of angles and geometric ratios.

• Algebra

• Geometry

• Trigonometry

The Greek word Metron means __________.

• angle

• triangle

• measure

Formula for finding the hypotenuse.

• $a=\sqrt{c^2-b^2}$

• $c=\sqrt{a^2+b^2}$

• $b=\sqrt{c^2-a^2}$

Formula for finding the hypotenuse.

• $a=\sqrt{c^2-b^2}$

• $c=\sqrt{a^2+b^2}$

• $b=\sqrt{c^2-a^2}$

The side across the reference angle in a right triangle.

• opposite side

• adjacent side

• hypotenuse

The longest side of a right triangle.

• opposite side

• adjacent side

• hypotenuse

Solve for the missing angle

• 50
• 0.053
• 36.9
• 95

Solve for the missing angle

• 50.2
• 93.1
• 12.6
• 42.2

Solve for the misssing distance

• 18.9
• 19.5
• 47
• 27.5

If you are given the hypotenuse and an adjacent side, which trig function should you use?

• sine
• cosine
• tangent
• cotangent