Right Triangles and Trigonometry Review

Find the value of y.

• 24

• 2√6

• 4√3

• 10

Find the value of x. Round to the nearest tenth if needed.

• 10.6

• 36.9

• 18.2

• 20

Find the value of x. Round to the nearest tenth.

• 5.4

• 3.8

• 4.6

• 6.7

Classify the triangle (if possible) as Acute, Right, or Obtuse given the three side measures: 12, 13, 17

• Acute

• Right

• Obtuse

• Not Possible

Solve for a and b in the special right triangle.

• a = 5, b = 5
• a = 10, b = 10√2
• a = 10√2, b = 10√2
• a = 5√2, b = 5√2

Solve for x and y in the special right triangle.

• x = 7, y = 7√2
• x = 14 y = 7√2
• x = 14√2 y = 7√2
• x = 14 y = 14√2

Solve for u and v in the special right triangle.

• v = 9√3, u = 6√3
• v = 6√3 u = 9√3
• v = 9, u = 6√3
• v = 3√6, u = 6√3

Solve for x and y in the special right triangle.

• y = 4, x = 4√3
• y = 4√2, x = 4√2
• y = 4 x = 12
• y = 8/√3, x = 16/√3

Choose the correct ratio.

• sin(37)=x/14
• cos(37)=x/14
• tan(37)=x/14
• sin(37)=14/x

Solve for x. Round to the nearest tenth.

• 9.8
• 0.1
• 0.038
• 9.9