Unit 8 right triangles and trig

Which set of sides would make a right triangle?

• 4,5,6
• 8,10,12
• 5,12,13
• 5,10,12

Tags

CCSS.8.G.B.8

a² + b² = c^{2
a = 9 b = 40}

• c = 41
• c = 65
• c = 25
• c = 5

Tags

CCSS.8.G.B.7

What is the length of y in this picture?

• 45
• 5√2
• 90
• 5

Tags

CCSS.HSG.SRT.C.8

In this isosceles triangle, what is the length of x?

• 8√2

• 16

• 8

Tags

CCSS.HSG.SRT.C.8

Which is the length of v in this 30-60-90 triangle?

• 4

• 8

Tags

CCSS.HSG.SRT.C.8

What is the length of the short leg of this 30-60-90 triangle?

• 6

• 3

Tags

CCSS.HSG.SRT.C.8

What is the acronym to help you remember the ratios to use in trigonometry?

• RIGHTANG
• SOHCAHTOA
• SHOCHATOA

Tags

CCSS.HSG.SRT.C.6

 Find cosA

• 30/16
• 30/34
• 30/15
• 16/34

Tags

CCSS.HSG.SRT.C.6

 Find sinA

• 32/40
• 32/24
• 24/40
• 24/32

Tags

CCSS.HSG.SRT.C.6

 FInd tanX

• 32/40
• 40/24
• 32/24
• 24/32

Tags

CCSS.HSG.SRT.C.6