# Trigonometry With Right Triangles Assessment Test

10 Questions | Total Attempts: 107  Settings  Take this assessment test to evaluate your knowledge of trigonometry with right triangles. What are sine, cosine, and tangent? How can we use them to solve for unknown sides and angles in right triangles?

Related Topics
• 1.
What is equal to the root of the square of the opposite?
• A.

• B.

Pythagoras

• C.

Hypotenuse

• D.

All of the above

• 2.
The side opposite the right angle is called...
• A.

Opposite

• B.

Hypotenuse

• C.

• D.

None of the above

• 3.
The division of the opposite side of a right angle with the adjacent side gives...
• A.

Sin

• B.

Tan

• C.

Cot

• D.

Cos

• 4.
Given that a right angle has opposite sides a and b equals 4cm and 3cm, calculate the length of the hypotenuse.
• A.

4cm

• B.

5cm

• C.

6cm

• D.

7cm

• 5.
Pythagoras theorem states that...
• A.

√a+√b=c2

• B.

A2+b2=c

• C.

√a2+b2=√c2

• D.

√a2-b2=√c2

• 6.
Sin 30° = ?
• A.

1/2

• B.

1/3

• C.

1/4

• D.

1/5

• 7.
If sin a=-1/2, solve for 0°.
• A.

30° and 150°

• B.

150° and 210°

• C.

210° and 330°

• D.

150° and 330°

• 8.
If tan b=5/4 find sin2b-cos2b.
• A.

- 41/9

• B.

5/4

• C.

1

• D.

9/41

• 9.
A man 40m from the foot of a tower observes the angle of elevation of the tower to be 30°. Determine the height of the tower.
• A.

40√3/3

• B.

40

• C.

40√3

• D.

20

• 10.
If sin c = 3/5, find tan c.
• A.

3/5

• B.

3/4

• C.

2/3

• D.

1/4