Right Triangle Trigonometry

Hypotenuse

• Vertical side in a right triangle

• Longest side in a right triangle

• Horizontal side in a right triangle

• a² + b² = c²

Tags

CCSS.8.G.B.8

When do we use the Pythagorean Theorem?

• To find a missing angle in a right triangle

• To find the missing length of a right triangle

• To find the area of a right triangle

• To find the slope of a right triangle

Tags

CCSS.8.G.B.8

_{^{Find the missing side}}

• 9
• 41
• 6.4
• 6.2

Tags

CCSS.8.G.B.7

The size of a television screen is measured by the length of the diagonal of the screen.  What size is a television screen that is 3 feet tall and 6 feet wide?

• 18
• 6.7

Tags

CCSS.8.G.B.8

In this 45-45-90 triangle, I have been given a leg, so to find the other leg I...

• Multiply that leg by 2
• Use the same length for the second leg
• Multiply that leg by √2
• Divide that leg by √2

Tags

CCSS.8.G.B.8

What is the length of y in this 45-45-90 triangle?

• 8√2
• 4√2
• 4
• 8

Tags

CCSS.8.G.B.8

I have been given the short leg in this 30-60-90 triangle.  How do I find the long leg?

• Multiply 4 by 2
• Multiply 4 by √3
• Multiply 4 by √2
• Divide 4 by 2

Tags

CCSS.HSG.SRT.C.8

What is the length of u and v in this 30-60-90 triangle?

• u = 8 v = 4√3
• u = 4√2 v = 8
• u = 16 v = 8
• u = 4√3 v = 8

Tags

CCSS.HSG.SRT.C.8

I have been given the long leg in this 30-60-90 triangle.  How do I find the short leg?

• Multiply 7 by 2
• Multiply 7 by √3
• Divide 7 by 2
• Divide 7 by √3

Tags

CCSS.8.G.B.8

What are x and y in this 30-60-90 triangle?

• x = 6 y = 3√3
• x = 1.5√3 y =1.5
• x = 3√3 y = 6
• x = √3 y = 2√3

Tags

CCSS.HSG.SRT.C.8