Equilateral and Isosceles Triangles

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What is the name of this kind of triangle?

• Right
• Isosceles
• Scalene
• Equilateral

Tags

CCSS.4.G.A.2

The sides of an equilateral triangle have...

• different measures

• equal measures

Tags

CCSS.7.G.A.2

What do the angles in an equilateral triangle measure?

• 30, 60, 90
• 60, 60, 60
• 45, 45, 90
• 35, 55, 90

Tags

CCSS.7.G.A.2

Find x

• 3
• 4
• 2
• 10

Tags

CCSS.7.EE.B.4

CCSS.7.G.B.5

What is the length of BC?

• 6

• 31

• 29

• 11

Tags

CCSS.HSG.CO.C.10

CCSS.HSG.SRT.D.11

If triangle ABC is equilateral, what is the perimeter of the triangle.

• 3

• 24

• 72

• 180

What type of triangle is this?

• Equilateral
• Isosceles
• Scalene
• Obtuse

Tags

CCSS.7.G.A.2

What is always true about an isosceles triangle

• At least two sides are congruent

• At least two angles are congruent

• All of its angles are congruent

• All of its sides are congruent

• One of the angles is 90 degrees

Tags

CCSS.HSG.CO.C.10

The roof supports on Randall’s house is in the shape of a triangle, according to the figure below, what are the measures of the base angles of the triangle?

• $84\degree$

• $48\degree$

• $96\degree$

• $180\degree$

Tags

CCSS.7.G.B.5

A slice of pumpkin pie is shaped like an isosceles triangle. If the tip is 24 degrees, how big are the base angles?

• $24\degree$

• $78\degree$

• $156\degree$

• $180\degree$

Tags

CCSS.7.G.B.5