Intro to Geometry

To prove an isosceles triangle, we need:

• two equal sides

• a right angle

• two equal base angles

This is what kind of angle?

• acute
• obtuse
• right
• straight

Tags

CCSS.4.G.A.1

This is what kind of angle?

• obtuse
• right
• straight
• acute

Tags

CCSS.4.G.A.1

complementary, supplementary, or neither?

• Complementary
• Supplementary
• Neither

Tags

CCSS.7.G.B.5

complementary, supplementary, or neither?

• Complementary
• Supplementary
• Neither

Tags

CCSS.7.G.B.5

Find the measure of the indicated angle. 

• 26
• 36
• 85
• 144

Tags

CCSS.8.G.A.5

How many degrees make up a triangle?

• 45
• 90
• 60
• 180

Tags

CCSS.8.G.A.5

Equilateral triangles have sides that are all equal?

• False
• True

Tags

CCSS.2.G.A.1

Find the missing angle.  Find x.

• 20^o
• 70^o
• 160^o
• 180^o

Tags

CCSS.7.G.B.5

Angles that add up to 90 degrees are called

• Supplementary Angles

• Complementary Angles

• Adjacent Angles

• Opposite Angles

Tags

CCSS.7.G.B.5