Similarities in Right Triangles

Which is the geometric mean for this triangle?

• AD=BD∗DC

• BD²=AD⋅BC

• BD=AD⋅BC

• BC=AD∗BD

Find the value of x.

• 20

• 36

• 48

• 60

Find the value of x.

• 12

• 60

• 64

• 80

Find the value of x.

• 15

• 36

• 60

• 80

Find x, y, & z... x=​ (a)   y=​ (b)   ​z= (c)  

• 12 Radical 2

• 12/Radical 3

• 4 Radical 3

• 12

• 12 Radical 3

What is the length of u and v in this 30-60-90 triangle?

• u = 8 v = 4√3

• u = 4√2 v = 8

• u = 16 v = 8

• u = 4√3 v = 8

Find x, y, & z...

x=​ (a)   y=​ (b)   ​z= (c)  

• 12 Radical 2

• 12/Radical 3

• 4 Radical 3

• 12

• 12 Radical 3

What is Cos C? Write your answer as a fraction.

Mathematical Equivalence

ON

Find the trig ratios of B and complete the table.

a

b

c

15/17

15/8

8/17

Find the value of x.

• 15

• 60

• 144

• 169