High School Placement Test Study Guide with complete solution

High School Placement Test Study Guide with complete
solution
Perimeter of a rectangle
P=2l+2w or 2(l+w)
Perimeter of a square
P=4s
Area of a triangle
A= (1/2)bh
Area of a rectangle
A=bh or lw
Area of a square
A=s^2
Diameter of a circle
d=2r
Circumference of a circle
C=2π or πd
Area of a circle
A=πr^2
Volume of rectangular solids
V=lwh
Pythagorean theorem
a^2 +b^2 =c^2

Used to determine the length of the hypotenuse of a right triangle where c represents
the hypotenuse.
Average of a set of numbers
Average=Sum of the numbers / The amount of numbers in the set
Right angles measure
90 degrees
The sum of the interior angles of a triangle
180 degrees
The sum of the interior angles of a quadrilateral
360 degrees
Complementary angles add up to
90 degrees
Supplementary angles add up to
180 degrees
1 foot equals
12 inches
1 yard equals
3 feet
1 meter equals
100 centimeters
1 kilometer equals