Right Triangle Similarity, Geometric Mean

Which is the geometric mean for this triangle?

• AD=BD∗DC

• BD²=AD⋅BC

• BD=AD⋅BC

• BC=AD∗BD

Tags

CCSS.HSG.CO.C.10

In the figure, which of the following relationship(s) is/are true?

• II only

• I and III only

• II and III only

• I, II, and III

Tags

CCSS.HSG.CO.C.10

Find the value of x.

• 15

• 20

• 48

• 80

Tags

CCSS.8.G.B.7

Find the value of x.

• 20

• 36

• 48

• 60

• 10
• 12
• 14
• 16

Tags

CCSS.HSG.CO.C.9

Find the value of x.

• 16

• 25

• 65

• 108

Tags

CCSS.8.G.B.7

• 100
• 110
• 120
• 130

Tags

CCSS.8.G.B.7

Solve for x and y.

• x = 2√26; y = 4√3

• x = 2√21; y = 6

• x = 2√21; y = 4√3

• None of these

Tags

CCSS.HSG.CO.C.9

Find the value of x.

• 12

• 60

• 64

• 80

Tags

CCSS.8.G.B.7

Find the value of x.

• 15

• 60

• 144

• 169

Tags

CCSS.HSG.CO.C.9