1. 4.2 formulas and literal equations

2. Terms from yesterday 1.Regular 2.Equilateral 3.Equiangular 4.Parallelogram 5.Rhombus 6.Rectangle 7.Square 8.Trapezoid On a clean sheet of paper in your notes, write down every term or formula you remember from yesterday. You should have at least 7 items written down. (there are more, but come up with at least 7.

3. Literal equations: an equation with one or more variables Examples: 3x + 2y = 15 V = LWH V= Lwh, solve for the variable in red V= Lwh

4. Solve for the indicated variable in RED E = mc 2 c2c2 c2c2 E = m c2c2

5. P = 2(L + W) P = 2L + 2W -2L - 2L P - 2L = 2W 2 2

6. Find the perimeter of the following polygon. A rhombus with sides of 8 inches. P = 4s P = 4( ) 8 P = 32 inches Find the circumference of a circle with a radius of 10 feet. 10 Assignment: Pg 105: 1-16

7. Assignment: Pg 105: 1-16