Solving Right Triangles and Special Triangles

When given the length of the hypotenuse of a 45-45-90 Right Triangle, we can calculate the length of the leg by

Tags

CCSS.8.G.B.8

If the leg of a 45-45-90 triangle is 7 cm long, then its hypotenuse is _____ cm.

• 7√2

• 49√2

• 7

• 7√7

Tags

CCSS.8.G.B.8

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

• 4√2

• 4

• 8

• 4√3

Tags

CCSS.8.G.B.8

Q1. What is the value of 22?

• 22

• 22√2

• 44

• 44√3

Tags

CCSS.HSG.CO.C.10

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

• x = 6 y = 3√3

• x = 3√2 y = 3

• x = 3√3 y = 6

• x = 6 y = 3√2

Tags

CCSS.HSG.SRT.C.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

What is the measure of side c?

• 6

• 6√2

• 6√3

• 12

Tags

CCSS.HSG.SRT.C.8

What would you use to solve for y?

• Regular Trig

• Inverse Trig

• Pythagorean Theorem

• All angles in a triangle add up to 180

• Special Right Triangles

Tags

CCSS.8.G.B.8

Solve the right triangle. rounding to nearest tenth.

• <1= 39^o, <2 = 61^o, 3rd side = 47.2

• <1= 71.9^o, <2 = 18.2^o, 3rd side = 36.2

• <1= 64.2^o, <2 = 25.8, 3rd side = 32.2

• <1= 28.9^o, <2 = 71.1^o, 3rd side = 27.2

Tags

CCSS.HSG.SRT.C.8

Label the missing parts of the triangle

b

a

c

10

5 root 3

60

Tags

CCSS.HSG.SRT.C.8