Geo Support Ch. 5 Test Prep

Front

What is the Sine function used for in trigonometry?

Back

The Sine function relates the angle of a right triangle to the ratio of the length of the opposite side to the length of the hypotenuse.

Front

In a right triangle, what does the term 'opposite' refer to?

Back

The 'opposite' side is the side opposite the angle being referenced.

Front

What is the length of side 'a' if it is given as 9?

Back

The length of side 'a' is 9.

Front

What are the angles in a 30°-60°-90° triangle?

Back

The angles are 30°, 60°, and 90°.

Front

How do you find the measure of a missing angle in a triangle?

Back

To find a missing angle, subtract the sum of the known angles from 180°.

Front

What is the Cosine function used for in trigonometry?

Back

The Cosine function relates the angle of a right triangle to the ratio of the length of the adjacent side to the length of the hypotenuse.

Front

What is the Tangent function used for in trigonometry?

Back

The Tangent function relates the angle of a right triangle to the ratio of the length of the opposite side to the length of the adjacent side.

Front

In a 45°-45°-90° triangle, what is the ratio of the lengths of the sides?

Back

The ratio of the lengths of the sides is 1:1:√2.

Front

What is the formula to calculate the area of a triangle?

Back

The area of a triangle can be calculated using the formula: Area = 1/2 * base * height.

Front

What is the relationship between the angles in a triangle?

Back

The sum of the angles in any triangle is always 180°.