Geometric Mean and special right triangles

Find the length of AB.

• 36

• 18

• 6

• 12

Tags

CCSS.HSG.CO.C.9

In the accompanying diagram, triangle ABC is a right triangle and CD is the altitude to hypotenuse AB. If AD=4 and DB=16 find the length of CD.

• 0

• 64

• 8

• 32

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

In the accompanying diagram of right triangle ABC, CD is drawn perpendicular to hypotenuse AB. If AB=16 and DB=4 find the length of BC.

• 0

• 8

• 32

• 64

Tags

CCSS.HSG.CO.C.9

Find the length HK of of right triangle GHK.

• 300

• 0

• 150

• 17.3

Tags

CCSS.HSG.CO.C.9

If AD=3, AB=8, find the value of CB.

• 6.3

• 40

• 80

• 20

Tags

CCSS.8.G.B.8

Find the value of x.

• 12

• 16

• 9

• 6

Tags

CCSS.HSG.CO.C.9

Find the value of y, if you know the value of x=16

• 400

• 20

• 200

• 40

Tags

CCSS.HSG.CO.C.9

In the right triangle ABC below, CD is the altitude to the hypotenuse AB. If AD=3, AB=12, what is the value of CB?

• 120

• $4\sqrt{15}$

• $2\sqrt{30}$

• $2\sqrt{10}$

Tags

CCSS.HSG.CO.C.9

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