Similarities

Which is NOT true about similar triangles.

• The angles in the triangles are congruent to each other.
• The sides are proportional to each other.
• The angles in each triangle add up to 180^o.
• The triangles must have at least one side that is the same length.

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

What is the value of X?

• X=4
• X=6
• X=3
• X=2

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5

Are the triangles similar?

• Yes
• No

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5

All corresponding sides are proportional (same ratio) in similar figures.

• True
• False

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

If the triangles are similar, find x

• 90
• 60
• 30
• 15

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5

CCSS.HSG.SRT.C.6

Similarity Ratio: _

• 2/3
• 1/2
• 2
• 3

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.4

CCSS.HSG.SRT.B.5

CCSS.HSG.SRT.C.6

Are these triangles similar?
Angles in Triangle 1:  40⁰,60⁰, and 80⁰
Angles in Triangle 2:  40⁰,50⁰, and 90⁰

• Yes
• No
• There is not enough information to decide.

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

Which triangle is similar to the above triangle ?

• A
• B
• C
• D

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree?

• 144 feet
• 72 feet
• 36 feet

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Find AE

• 12.5
• 18
• 11.75
• 13

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.4

CCSS.HSG.SRT.B.5