Triangles Introduction

Which of these angle measurements would create a right scalene triangle?

How should a person draw an equilateral triangle?

Name this triangle by its sides and its angles.

If two sides of a triangle are 6 cm and 4 cm, then what is the absolute smallest length the third side could be and still be able to make a triangle?

Look at each figure below and classify them by the description that fits.

Click on the triangle that most likely matches the information given below.

A triangle has one side length of 9.5 cm and another side length of 6.7 cm.

A triangle has two 45° angles, and two sides that are 4 centimeters in length. Select true or false for each statement about this type of triangle.

Julie claims that if any angle in a triangle is less than 45°, then the triangle must be obtuse. Do you support Julie's claim? Why or why not?

Auggie claims that a triangle with side lengths of 13.5 cm, 8 cm and 3.5 cm cannot exist. Do you support Auggie's claim? Explain.