4.3 Equilateral and Isosceles triangles

In an isosceles triangle, the two congruent sides are called

• legs

• hypotenuses

• bases

• laterals

Tags

CCSS.HSG.CO.C.10

the side opposite to the right angle is called

• leg

• lateral side

• base

• vertex side

Tags

CCSS.HSG.SRT.B.4

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

What is x?

• 30

• 60

• 90

• 180

Tags

CCSS.HSG.CO.C.10

CCSS.HSG.SRT.D.11

What is

 $m\angle C$  ?

• 46

• 60
  

• 88

• 92

Tags

CCSS.HSG.CO.C.10

CCSS.HSG.SRT.D.11

What is

 $m\angle T$  ?

• 45

• 54

• 72

• 90

Tags

CCSS.HSG.CO.C.10

What is  $m\angle A$  ?

• 46

• 88

• 90

• 92

Tags

CCSS.HSG.CO.C.10

If ST=12, what is UT?

• 12

• 24

• 54

• 72

Tags

CCSS.7.G.B.5

What is $m\angle U$  ?

• 45

• 54

• 72

• 108

Tags

CCSS.HSG.CO.C.10

What is EF?

• 18

• 23

• 46

• 134

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Solve for x.

• 4

• 8

• 12

• 60

Tags

CCSS.7.EE.B.4

CCSS.7.G.B.5