4,461
edits
Geometry: Difference between revisions
→Area and perimeters: add triangle
→Area and perimeters: add triangle |
|||
| Line 8: | Line 8: | ||
<math>A = \pi r^2</math> | <math>A = \pi r^2</math> | ||
== Perimeter of a triangle == | |||
<math>P = a + b + c</math> | |||
== Area of a triangle == | |||
<math>A = \frac{1}{2} bh</math> | |||
= Volume and surface area = | = Volume and surface area = | ||