ANGLES OF TRIANGLES AND POLYGONS

What is a polygon?

• A closed plane figure made up of line segments
• An open plane figure made up of line segments
• A closed plane figure made up of rays
• An open plane figure made up of rays

Tags

CCSS.2.G.A.1

CCSS.1.G.A.1

Why is a Triangle called Scalene?

• It has two sides that match
• It has three sides that match
• It has no sides that match
• It has four sides that match

Tags

CCSS.4.G.A.2

Why is a Triangle called a Right Triangle?

• It has 3 right angles
• It has 2 right angles
• It has 1 right angle
• It has 0 right angles

Tags

CCSS.4.G.A.2

• scalene, acute

• scalene, obtuse

• isosceles, acute

• isosceles, obtuse

Tags

CCSS.4.G.A.2

Find the measure of angle b

• 75 degrees
• 20 degrees
• 30 degrees
• 55 degrees

Tags

CCSS.8.G.A.5

Convex or Concave?

• convex
• concave

Tags

CCSS.2.G.A.1

Find the sum of interior angles in a hexagon.

• 900
• 720
• 540
• 180

Tags

CCSS.7.G.B.6

A polygon has 13 sides. What is the sum of its interior angles?

• $1,300\degree$

• $1,620\degree$

• $1,980\degree$

• $2,340\degree$

Tags

CCSS.7.G.B.6

What is the measure of angle x?

• 70

• 160

• 135

• 20

Tags

CCSS.8.G.A.5

What is the value of x?

• 75.5

• 38

• 151

• 21

Tags

CCSS.8.G.A.5