Right Triangle Trigonometry Quiz

Which side of a right triangle is opposite to angle A?

• Side AC

• Side BC

• Side BA

• Side AB

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

• Adjacent over opposite

• Opposite over adjacent

• Opposite over hypotenuse

• Adjacent over hypotenuse

What is the reciprocal of the sine function?

• Cosine

• Cotangent

• Cosecant

• Secant

If the tangent of angle A is 5/3, what is the value of cosecant of A?

• 5/3

• √34/5

• 3/5

• 5/√34

In a 45-45-90 triangle, what is the ratio of the hypotenuse to one of the legs?

• 2:1

• 1:1

• 1:√2

• √2:1

In a 30-60-90 triangle, which side is opposite the 30° angle?

• The longest side

• The hypotenuse

• The side with length √3

• The shortest side

What is the length of the longer leg in a 30-60-90 triangle if the shorter leg is 7.5?

• 7.5

• 15

• 15√3

• 7.5√3

How high is a kite flying if it is 4 feet above the ground and the line makes a 29° angle with the ground?

• 154.44 feet

• 149.44 feet

• 144.44 feet

• 159.44 feet

What is the angle of elevation if an airplane is flying at 20,000 feet and the ground distance is 43.3 miles?

• 3°

• 5°

• 7°

• 9°

Which trigonometric function is used to find the height of an object using the angle of elevation?

• Cosecant

• Tangent

• Sine

• Cosine