Triangle Review

Which side length is the largest?

• Angle C
• BA
• CB
• CA

Tags

CCSS.HSG.CO.C.10

Is it a Triangle?
Side lengths 
1, 2, 1

• Yes
• No

Tags

CCSS.HSG.CO.C.10

Why isn't this a triangle?
Side lengths 
2, 6, 3

• Because 3 + 6 > 2
• Because 2 x 3 = 6
• Because 2 + 3 < 6
• Because 2 + 6 > 3

Classify by sides

• Right
• Isosceles
• scalene
• equilateral

Tags

CCSS.4.G.A.2

What type of triangle has 3 congruent angles?

• isosceles
• equiangular
• equilateral
• right

Tags

CCSS.4.G.A.2

What is angle 2?

• 108
• 72
• 180
• 90

Tags

CCSS.8.G.A.5

Find the value of x

• 10
• 30
• 40
• 25

Tags

CCSS.8.G.A.5

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What is the name of this kind of triangle?

• Right

• Scalene

• Isosceles

• Equilateral

Tags

CCSS.4.G.A.2

9. Which of these lengths CANNOT represent the sides of a triangle?

• 3, 10, 8

• 2, 5, 8

• 7, 5, 4

• 5, 2, 4

Tags

CCSS.7.G.A.2

Name this triangle by its angle and sides.

• acute, scalene

• obtuse scalene

• right, scalene

• right, isosceles

Tags

CCSS.4.G.A.2