13.3: Geometric Formulas
( \newcommand{\kernel}{\mathrm{null}\,}\)
selected template will load here
This action is not available.
( \newcommand{\kernel}{\mathrm{null}\,}\)
Name | Shape | Formulas |
---|---|---|
Rectangle | ![]() |
Perimeter: P = 2l+2w Area: A = lw |
Square | ![]() |
Perimeter: P = 4s Area: A = s2 |
Triangle | ![]() |
Perimeter: P = a + b + c Area: A = 12bh Sum of Angles: A + B + C = 180° |
Right Triangle | ![]() |
Pythagorean Theorem: a2 + b2 = c2 Area: A = 12ab |
Circle | ![]() |
Circumference: C = 2πr or C = πd Area: A = πr2 |
Parallelogram | ![]() |
Perimeter: P = 2a + 2b Area: A = bh |
Trapezoid | ![]() |
Perimeter: P = a + b + c + B Area: A = 12(B + b)h |
Name | Shape | Formulas |
---|---|---|
Rectangular Solid | ![]() |
Volume: V = lwh Surface Area: SA = 2lw+2wh+2hl |
Cube | ![]() |
Volume: V = s3 Surface Area: SA = 6s2 |
Cone | ![]() |
Volume: V = 13πr2h Surface Area: SA = πr2+πr√h2+r2 |
Sphere | ![]() |
Volume: V = 43πr3 Surface Area: SA = 4πr2 |
Right Circular Cylinder | ![]() |
Volume: V = πr2h Surface Area: SA = 2πr2+2πrh |
Lynn Marecek (Santa Ana College) and MaryAnne Anthony-Smith (Formerly of Santa Ana College). This content is licensed under Creative Commons Attribution License v4.0 "Download for free at http://cnx.org/contents/fd53eae1-fa2...49835c3c@5.191."