Isosceles & Equilateral Triangle Angle Theorems

Find the value of x

• $65\degree$

• $115\degree$

• $25\degree$

• $35\degree$

Tags

CCSS.HSG.CO.C.10

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Find the value of y. (Hint: use Pythagorean theorem)

• 25

• 5

• 7

• 14

Tags

CCSS.HSG.SRT.C.8

Find the value of x. (Hint: What type of triangle is this?)

• 4

• 1

• -4

• 10

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSG.CO.C.10

Find the value of y.

• 60

• 30

• 20

• 12

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

CCSS.HSG.CO.C.10

Find the value of x. (Hint: what kind of triangle is this?)

• $114\degree$

• $66\degree$

• $48\degree$

• $24\degree$

Tags

CCSS.HSG.CO.C.10

CCSS.HSG.SRT.D.11

Find the value of y.

• $114\degree$

• $66\degree$

• $48\degree$

• $24\degree$

Tags

CCSS.HSG.CO.C.10

Find the value of x.

• $30\degree$

• $45\degree$

• $60\degree$

• $12\degree$

Tags

CCSS.HSG.CO.C.10

Find the value of y.

• $30\degree$

• $45\degree$

• $60\degree$

• $12\degree$

Tags

CCSS.HSG.CO.C.10

Find the value of x. (Hint: what kind of triangle is this?)

• $43\degree$

• $47\degree$

• $94\degree$

• $137\degree$

Tags

CCSS.HSG.CO.C.10

Find the value of y.

• 5

• 10

• 15

• 20

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11