All about Triangles (grade 5)

An acute triangle has __________ angles that each measure less than 90°.

• one

• two

• three

• four

An isosceles triangle has _________ equal sides.

• one

• two

• three

• four

An ____________ triangle has three equal sides.

• isosceles

• equilateral

• scalene

An obtuse triangle has one angle that measures _____________ 90°.

• less than

• exactly

• more than

Which type of triangle is pictured?

• A

• B

• C

• D

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.
.
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What is the name of this kind of triangle?

• Right
• Isosceles
• Scalene
• Equilateral

In a triangle, how many total degrees are there?

• 100%
• 180 degrees
• it varies
• 360 degrees

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.
.
.
What is the name of this kind of triangle?

• Right
• Scalene
• Isosceles
• Equilateral

.
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What kind of triangle is this?

• Acute
• Right
• Obtuse
• Robot

Tags

CCSS.4.G.A.2

How many acute angles must an acute triangle have?

• 2
• 1
• 4
• 3