Type of Angles and Triangles

Angles that have a measure less than 90 degrees are called _____ ______.

• acute angles
• obtuse angles
• right angles
• straight angles

Tags

CCSS.4.G.A.1

Angles that have a measure more than 90 degrees and less than 180 degrees are called ______ ______.

• abuse angels
• acute angles
• obtuse angles
• obese angles

Tags

CCSS.4.G.A.1

Angles that are exactly 90 degrees are called _____ ______.

• tight angles
• acute angles
• obtuse angles
• right angles

Tags

CCSS.4.G.A.1

• right
• obtuse
• acute 
• straight

• right
• obtuse
• acute
• straight

• right
• acute
• obtuse
• straight

Classify the Angle

• Acute
• Right
• Obtuse
• Straight

Classify the Angle

• Acute
• Right
• Obtuse
• Straight

How many acute angles must an acute triangle have?

• 2
• 1
• 4
• 3

Tags

CCSS.4.G.A.2

What type of triangle is this?

• scalene
• acute
• equilateral
• isosceles

Tags

CCSS.4.G.A.2