Classifying and Solving for Triangles

What is a possible third side to a triangle with side lengths of 13 and 4?

• 9

• 12

• 8

• 5

Classify by its angle measures.

• equiangular

• equilateral

• isosceles

• acute

Tags

CCSS.4.G.A.2

What is the value of the missing angle?

• 61

• 50

• 60

• 69

Tags

CCSS.8.G.A.5

What is the measure of BC?

• 12

• 6

• 9

• 10

Tags

CCSS.HSG.CO.C.9

Which segments are the legs?

• Segment AB

• Segment BC

• Segment AC

Which angle is the vertex angle?

Tags

CCSS.HSG.CO.C.10

Which angles are the base angle?

Find the value of y.

• 5

• 10

• 15

• 20

Tags

CCSS.HSG.CO.C.9

Find the value of x

• 10

• 52

• 9

• 7

Tags

CCSS.7.G.B.5

Triangle DEF is isosceles, angle D is the vertex angle, DE = x + 7, DF = 3x – 1, and EF = 2x + 5. Find the value of x. (Hint: draw a picture)

• 2

• 4

• 6

• 8

Tags

CCSS.8.G.A.5