### Home > INT2 > Chapter 10 > Lesson 10.1.3 > Problem 10-46

10-46.

For each situation below, decide if is greater,

*is greater, if they are the same value, or if not enough information is given. Homework Help ✎*

is the measure of a central angle of an equilateral triangle;is the measure of an interior angle of a regular pentagon.The central angle of the triangle is

divided by , which is .

Is there enough information given?

What do you need to know?

Third side is approximately

units, so is opposite the greater side and must be greater than

*a*=*b*+ 3What does this equation tell you?

Find the lengths of the unknown sides.