30-60-90 and 45 Right Triangle Trigonometry

Right triangle ABC with right angle at C.

If sinA increases, does cosB increase or decrease?

• Increase

• Decrease

Tags

CCSS.HSG.SRT.C.7

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

• 8√2

• 4√2

• 4

• 8

Tags

CCSS.8.G.B.8

Which side is the long leg in this 30-60-90 triangle?

• 4

• u

• v

Tags

CCSS.HSG.CO.C.10

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

Find the value of y.

• 8

• 4

• 2√3

• 8√3

Tags

CCSS.HSG.SRT.C.8

Find the value of y.

• 9

• 18√2

• 9√2

• (9√2)/2

Tags

CCSS.8.G.B.8

What is the formula used to solve for the hypotenuse?

• a²⁺b²=c²

• a+b=c

• a-b=c

• c-a=c

Tags

CCSS.8.G.B.8

What is the value of x?

• 12√2

• 2√12

• 24

• 2

Tags

CCSS.8.G.B.8

Calculate the value of h in the figure above.

• h = 35.60

• h = 35.00

• h = 35.71

• h = 61.03

Tags

CCSS.8.G.B.8

What is the correct equation to solve for x?

• tan (45) = x/13

• cos (45) = x/13

• sin (45) = 13/x

• sin (45) = x/13

Tags

CCSS.HSG.SRT.C.6