Find Angles with Right Triangles and Trigonometry

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o

Which type of triangle is pictured?

• Equilateral Triangle

• Right Isosceles Triangle

• Obtuse Scalene Triangle

• Obtuse Equilateral Triangle

What type of triangles do you use the trig ratios with?

• any type

• right triangle

• obtuse triangle

• acute triangle

• A
• B
• C
• D

Which scenario describes the picture shown?

• 5 foot ramp is 8 feet away from a building.  What is the angle that the ramp makes with the ground?

• 5 foot ramp leans against an 8 foot structure.  What is the angle that the ramp makes with the ground?

• An 8 foot ramp leans
  against a building 5 feet away.  What angle does the ramp make with the ground?

• 5 foot man is 8 feet away from a building.  What is the angle of elevation?

From the given right triangle,

Find the value of angles M and N

M=​ ​ (a)  

N=​ (b)  

• 77.3°

• 12.7°

• 49.9°

• 40.1°

• 74.5°

• 15.5°

Solve for the missing angle

• 50.2

• 93.1

• 12.6

• 42.2

Solve for the missing angle

• 50.2

• 93.1

• 12.6

• 42.2

Set up the problem...

• sin X = 41/28

• tan X = 41/28

• cos X = 28/41

• sin X = 28/41

• A
• B
• C
• D