1/29/10

January 29th, 2010

LOG PROBLEM

What is the total surface area of a 6-sided cube where each side has an area of 25 square centimeters? Try to draw it.
(Surface area is the area of all the sides of an object added together.)

ANSWERS TO SURFACE AREA SHEET

HELPFUL TIPS
1. Square Cube :
a. Area of one side = side x side
b. Total Area = area x 6 sides

2. Rectangular Cube:
a. Area of side 1 = length x width
b. Area of side 2 = length x width
c. Area of side 3 = length x width
d. Total Area = 2(Area1) + 2(Area2) + 2(Area3)

3. Cylinder
a. Area of circle = pi (r)(r)
b. Area of rectangle = Circumference of circle x height (same as length x width)
c. Total Area = 2(area of circle) + Area of rectangle


SHEET 1 (Who won the first World Series?)

ANSWERS
S. SA = 588 centimeters squared

D.SA = 150 centimeters squared

N.SA = 301.44 centimeters squared

O. SA =86.64 centimeters squared

O. SA =854.08 centimeters squared

O. SA =105 centimeters squared

E. SA =678.24 centimeters squared

S. SA =337.32 centimeters squared

B. SA =29.04 centimeters squared

R. SA =65.34 centimeters squared

X. SA =86.35 centimeters squared

T. SA =253 centimeters squared