Area of a triangle = 12×base×height21×base×height.
What is the sum of the interior angles of a pentagon?
If 2�+3=172j+3=17, what is the value of �j?
What is the sum of the first 15 positive integers?
If 2�+7=212r+7=21, what is the value of �r?
What is the measure of each exterior angle of a regular hexagon?
Solve for �x: 25(10+�)=652(10+x)=6
If 3�−2=133z−2=13, what is the value of �z?
If 4�+3=154t+3=15, what is the value of �t?
If 2�+7=152d+7=15, what is the value of �d?
Solve for �x: 12(6�−3)=921(6x−3)=9