Unit 4 Review GEO HN (cumulative test)

Find x.

• 10
• √3
• 5
• 10√3

Find x.

• 12
• √2
• √3
• 6

What is the length of y in this picture?

• 45
• 5√2
• 90
• 5

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

• 4√2
• 4
• 8
• 4√3

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

• 6

• 3

What is a in this 30-60-90 triangle?

• a = 7√3

• a = 7√2

• a = 14

• a = 14√3

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

Choose the correct ratio.

• sin(37)=x/14
• cos(37)=x/14
• tan(37)=x/14
• sin(37)=14/x

What would you use to solve for a?

• sin
• cos
• tan
• Pythagorean theorem

What is the length of side x?

• 6.57 cm
• 7 cm
• 7.44 cm
• 26.33 cm