Identifying Polygons and Triangles

Classify the triangle by its angles.

• acute

• right

• obtuse

• isosceles

Classify the triangle by its angles.

• acute

• right

• obtuse

• isosceles

Classify the triangle by its angles.

• acute

• right

• obtuse

• isosceles

Classify the triangle by its sides.

• equilateral and isosceles

• isosceles only

• scalene

• equilateral only

Classify the triangle by its sides.

• equilateral and isosceles

• isosceles only

• scalene

• equilateral only

Classify the triangle by its sides.

• equilateral and isosceles

• isosceles only

• scalene

• equilateral only

A polygon is composed of three or more line segments. What is another term for "line segment?"

• Angle

• Side

• Corner

• Area

Which of the following shapes is a polygon?

• A

• B

• C

• D

Which of the following is a true statement about

polygons?

• Each line segment intersects exactly two other line

  segments

• Each line segment intersects at least two other line

  segments

• Each line segment intersects exactly one other line

  segment

• Each line segment intersects at least one other line

  segment

Why isn't a circle considered a polygon?

• It's an open figure.

• Its area cannot be calculated.

• It's not made up of line segments.

• Its line segments intersect more than two other line

  segments.