Geometry 65503-65504
Formula Sheet
062816
University of Texas at Austin
UT High School
1
Coordinate Geometry
Distance Formula: Slope of a line:
12
1
2
xx
yy
m−
−
=
Midpoint Formula: Slope-Intercept Form of an Equation: y = mx + b
Standard Form of a Linear Equation:
Ax + By = C Point-Slope Form of an Equation:
Perimeter and Circumference
Perimeter of a rectangle:
or P = 2(l + w) Circumference: C = 2πr or C = πd
Area
Surface Area
Rectangle or Parallelogram: A = bh
Prism: Lateral
PhSA =
Total
BPh
SA 2+=
Regular Polygon:
Cylinder: Lateral SA = 2πrh
Total
Triangle:
Trapezoid:
Pyramid: Lateral
PlSA 2
1
=
Total
BPlSA += 2
1
Circle:
Cone: Lateral SA = πrl
Total
Rhombus:
2
1
2
1d
dA =
Sphere: Total
Volume
Right Triangles
Prism or cylinder:
Pyramid or cone:
Sphere:
Pythagorean Theorem:
