Unit 5 Test - Right Triangle Trigonometry

Front

What type of triangle is formed by sides of lengths 15, 18, and 22?

Back

Acute triangle

Front

What is the angle formed by a 30 ft wire stretching from the top of a 10 ft light pole to the ground?

Back

19 degrees

Front

In which mode should your calculator be set to compute trigonometric functions?

Back

Degree Mode

Front

What angle should a tourist hold their camera to photograph a deer at a height of 45 feet and a horizontal distance of 130 feet?

Back

71 degrees

Front

If a hawk swoops down at a 30-degree angle to reach a mouse 15 feet from the base of the tree, what is the distance from the tree branch to the mouse?

Back

30 ft

Front

Define a right triangle.

Back

A triangle with one angle measuring 90 degrees.

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What is the sine of an angle in a right triangle?

Back

The ratio of the length of the opposite side to the hypotenuse.

Front

What is the cosine of an angle in a right triangle?

Back

The ratio of the length of the adjacent side to the hypotenuse.

Front

What is the tangent of an angle in a right triangle?

Back

The ratio of the length of the opposite side to the adjacent side.