Area & Perimeter

Use the following formulae:

Perimeter of a rectangle = 2l + 2w

Circumference of a circle = πd or 2πr
π = 3.14

Area of a rectangle = lw

Area of a circle = πr2

Area of a triangle = b x h
2

Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

1. what expression would be the same as 6x+x+0 2. find the prime factorization of 60 3. write the expression for 6 + x in words.