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Home > CC3MN > Chapter 9 > Lesson 9.1.5 > Problem 9-79
9-79.
On a coordinate grid, draw a triangle with vertices at
Find the lengths of each side of the triangle. What is the perimeter?
To find the hypotenuse, we can use the Pythagorean theorem:
If the legs areand , how long is the hypotenuse?
After finding the hypotenuse, find the perimeter.What type of triangle is formed by these points? Justify your answer.
The triangle has a right angle so it is a right triangle.
Use the eTool below to help you with this problem.
Click the link at right for the full version of the eTool: 9-129 HW eTool (Desmos)