Unit 4 Review

Front

From ∠C, what side is AB?

Back

Opposite

Front

Jada is 100 feet away from the Empire State building and looks up at an angle of 86.1 degrees. How tall is the Empire State building?

Back

1467 feet

Front

Find the missing side of triangle ABC.

Back

AC=13

Front

Find the missing side of triangle DEF.

Back

DE=24

Front

Find the length of the missing side x. Round your answer to 1 decimal place: 10.3 cm, 10.2 cm, 17.5 cm, 8.6 cm.

Back

10.3 cm

Front

What is the definition of an adjacent side in a triangle?

Back

The side that is next to the angle in question.

Front

What is the definition of the hypotenuse in a right triangle?

Back

The longest side of a right triangle, opposite the right angle.

Front

What is the Pythagorean theorem?

Back

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

Front

How do you calculate the height of an object using angles of elevation?

Back

Use the tangent function: height = distance * tan(angle).

Front

What is the sine function in trigonometry?

Back

Sine = opposite/hypotenuse.