GeoGebra Introduction

Construct an Isosceles Triangle, where the two congruent sides are adjacent to point A.

Describe, using correct mathematical language, the steps of your construction.

Construct a right triangle, where the right angle is at the given vertex A.

Describe, using correct mathematical language, the steps of your construction.

Create an equilateral triangle with one of the vertices the given point A.

Describe, using correct mathematical language, the steps of your construction.

Make a triangle with side lengths 4, 6, and 9 respectively

What are the measures of the angles of this triangle? Is the triangle acute, right, or obtuse?