Unit 4 Test Recovery Geometry FY

Front

What is the angle of elevation?

Back

The angle of elevation is the angle formed by the horizontal line and the line of sight to an object above the horizontal line.

Front

How do you calculate the angle of elevation using a right triangle?

Back

Use the tangent function: tan(angle) = opposite/adjacent. Rearranging gives angle = arctan(opposite/adjacent).

Front

What is the sum of the angles in a triangle?

Back

The sum of the interior angles in a triangle is always 180 degrees.

Front

What is the relationship between the angles in a triangle and the sides opposite those angles?

Back

In a triangle, the larger the angle, the longer the side opposite that angle.

Front

What is a valid set of angles that can form a triangle?

Back

A valid set of angles must be positive, less than 180 degrees, and their sum must equal 180 degrees.

Front

What is the definition of complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Front

What is the definition of supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

How do you determine the order of angles in a triangle?

Back

Order the angles from least to greatest based on their measures.

Front

What is the formula for finding the height of an object using the angle of elevation?

Back

Height = distance * tan(angle of elevation).

Front

What is the significance of a negative angle in triangle construction?

Back

A negative angle indicates an invalid angle for triangle construction, as angles must be positive.