Saved Bookmarks
| 1. |
The area of an equilateral triangle is 16√3 cm. what is the perimeter of the triangle. |
|
Answer» Area of equilateral triangle = 16√3 cm2 Area of equilateral triangle = (√3/4 x a2 ) where a is the length of the side 16√3 cm2 = √3/4 x a2 16√3 cm2 x 4/√3 = a2 64 cm2 = a2 a = √64 cm2 a = 8 cm Perimeter of a triangle = 3a = 3 x 8 cm = 24 cm |
|