CPM Homework Banner

Home > GC > Chapter 4 > Lesson 4.2.3 > Problem 4-76

4-76.

Find the perimeter of the shape at right.  Clearly show all your steps.  

A right triangle with a height of 9 centimeters. Opposite the 9 centimeter side is a 17 degree angle.

Use the tangent ratio (found in the Math Notes box in Lesson 4.1.4) to solve for the missing leg.

Use the Pythagorean Theorem to find the hypotenuse.

Find the perimeter by adding up all the sides.