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Triangles

Last updated 7 months ago
19 questions
1

How many names does a triangle have when classifying them by their sides?

1

How many names does a triangle have when classifying them by their angles?

6
A scalene triangle has _______ congruent sides. An isosceles triangle has at least _______ congruent sides. An equilateral triangle has _______ congruent sides. An right triangle has one 90° or _______ angle. An acute triangle has _______ acute angles. An obtuse triangle has _______ obtuse angle.
2

Ricky drew a triangle with angles measuring 90°, 30°, and 60° with no congruent sides. Select all the ways to classify the triangle described.

1

Which of these triangles is an isosceles obtuse triangle?

1

1

Which kind of triangle has at least 2 congruent sides?

2

I am a triangle with exactly two congruent sides and 1 angle over 90°. What shape am I?

Select all that are true.

2

Classify the triangle using its angle and side properties.

2

Classify the triangle using its angle and side properties.

2

Classify the triangle using its angle and side properties.

2

Classify the triangle using its angle and side properties.

2

Classify the triangle using its angle and side properties.

2

I am a triangle with no congruent sides and one 90° angle. What shape am I?

Select all that are true.

2

Classify the triangle using its angle and side properties.

4

Classify the triangle using its side properties. One triangle below will go in 2 categories.

  • equilateral
  • isosceles
  • scalene
3

Classify the triangle using its angle properties.

  • acute
  • right
  • obtuse
1

True or False.

Equilateral triangles have all acute angles.

2

I am a triangle with all congruent sides. What shape am I?

Select all that are true.