Triangles and Angles

An acute triangle has...

• two angles that are less than 90 degrees
• three angles that are greater than 90 degrees
• three angles that are all less than 90 degrees
• at least one right angle

Tags

CCSS.HSG.CO.C.10

An equilateral triangle has...

• only two congruent sides.
• three congruent sides.
• a right angle.
• an obtuse angle.

Tags

CCSS.7.G.A.2

Scalene means...

• that all sides are congruent.
• that the figures are getting bigger.
• that all sides are different. 
• that only two sides are congruent.  

Tags

CCSS.7.G.A.2

Isosceles means...

• that all sides are congruent.
• that two sides are congruent.
• that it is alone
• that it is going to increase

Tags

CCSS.7.G.A.2

An acute angle...

• measures exactly 90 degrees.
• measures greater than 90 degrees.
• measures exactly 180 degrees.
• measures less than 90 degrees.

Tags

CCSS.4.G.A.1

CCSS.4.MD.C.5

CCSS.4.MD.C.6

An obtuse angle...

• measures exactly 90 degrees.
• measures greater than 90 degrees.
• measures exactly 180 degrees.
• measures less than 90 degrees.

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

CCSS.4.MD.C.5

CCSS.4.MD.C.6

A straight line...

• measures exactly 90 degrees.
• measures greater than 90 degrees.
• measures exactly 180 degrees.
• measures less than 90 degrees.

Tags

CCSS.4.G.A.1

CCSS.4.MD.C.5

CCSS.4.MD.C.6

CCSS.4.MD.C.7

_{What type of angle is shown?}

• a right angle
• a 90 degree angle
• a 180 degree angle
• an acute angle

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

_{What type of angle is shown?}

• a right angle
• a 90 degree angle
• an acute degree angle
• an obtuse angle

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

CCSS.4.MD.C.5

_{What type of angle is shown?}

• a right angle
• a 90 degree angle
• an acute degree angle
• an obtuse angle

Tags

CCSS.5.G.B.3