Finals Review Math 2

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 picture?

• 45
• 5√2
• 90
• 5

Tags

CCSS.HSG.SRT.C.8

Which side is the short leg of this 30-60-90 triangle?

• 6
• m
• n

Tags

CCSS.HSG.CO.C.10

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

• 4
• u
• v

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 equation can be used to solve for x?

• Sin(40°)= x/40 
• Sin(40º)=x/19
• Cos(40º)=x/19
• Tan(40°)=19/x

Tags

CCSS.HSG.SRT.C.8

Solve for the misssing distance

• 18.9
• 19.5
• 47
• 27.5

Tags

CCSS.HSG.SRT.C.8

Solve for x. Round to the nearest tenth.

• 103.5
• 4.7
• 55.0
• 23.4

Tags

CCSS.HSG.SRT.C.8

Susan is flying a kite, which gets caught in the top of a tree.  Use the diagram to estimate the height of the tree. 

• 63 ft
• 65 ft
• 74 ft
• 87 ft

Tags

CCSS.HSG.SRT.C.8

A yacht is anchored 90 feet offshore from the base of a lighthouse.  The angle of elevation from the boat to the top of the lighthouse is 26 degrees.  The distance between the yacht and the top of the lighthouse is about 100 feet.  Which of these is nearest to the height of the lighthouse? 

• 25 feet
• 45 feet 
• 110 feet 
• 135 feet 

Tags

CCSS.HSG.SRT.C.8