Geometric Mean-Special Right Triangles-Trigonometry Test

Find the geometric mean of 5 and 77

• 19.6

• 41

• 16.4

• 15.4

Find the length of CD.

•  $4\sqrt{5}$  or 8.9

•  $2\sqrt{5}$  or 4.5

•  $\sqrt{10}$  

• 4

Find the value of x.

• 2.7

• 9

• 7.5

• $3\sqrt{5}$ or 6.7

Find RQ.

• $4\sqrt{3}$ or 6.9

• 4

• $4\sqrt{6}$ or 9.8

• $4\sqrt{2}$ or 5.7

Find x.

• $5\sqrt{2}$ or 7.1

• 4

• 2.5

• 3.2

Find x,y and z.

• x = 16 2/3; y = 10; z = 6 2/3

• x = 20; y = 10; z = 14

• x = 6 2/3; y = 14; 16 2/3

• x = 16; y = $\sqrt{26}$ ; z = 10

Find a and b.

• a = 4; b = 4

• a = $2\sqrt{2}$ ; b = $2\sqrt{6}$

• a = $2\sqrt{2}$ ; b = $2\sqrt{2}$

• a = 4; b = $4\sqrt{3}$

Find x.

• $2\sqrt{3}$

• $3\sqrt{3}$

• 6

• $3\sqrt{2}$

Find x and y.

• x = $8\sqrt{3}$ ; y = 16

• x = 8; y = $8\sqrt{2}$

• x = $8\sqrt{2}$ ; y = 8

• x = 8; y = $8\sqrt{3}$

Find x and y.

• x = y = $20\sqrt{3}$

• x = y = 20

• x = y = $\ 20\sqrt{2}$

• x = 20; y = $20\sqrt{3}$