11.1/11.2 Polygons and Triangles

Classify the triangle according to angles only.

• Acute
• Obtuse
• Right
• Isosceles

Classify the triangle according to sides only.

• equilateral
• obtuse
• scalene
• isosceles

Classify the triangle according to its angles only. 

• Obtuse
• Right
• scalene
• isosceles

Which would be the best classification for the triangle shown?

• right isosceles
• obtuse scalene
• obtuse isosceles
• acute scalene

Which would be the best classification for the triangle shown?

• right isosceles
• obtuse scalene
• obtuse isosceles
• right scalene

Which would be the best classification for the triangle shown?

• acute isosceles
• right scalene
• acute scalene
• obtuse scalene

 What is the name of this polygon?

• a pentagon
• a quadrilateral
• an octagon
• a triangle

Name the polygon with seven sides.

• dodecagon
• octogon
• heptagon
• hexagon

Which of these figures are considered polygons?

• a, b, c, d
• b, d, e, f
• a, b, c
• a, e, f

Which of the following is not a polygon?

• trapezoid
• semicircle
• rhombus
• octagon

Tags

CCSS.2.G.A.1