7.5 units of length.
If it is and equilateral triangle, the perimeter is 12, otherwise it is impossible to figure out without any angle measurements or other sides lengths
The perimeter
yes
An equilateral triangle
Sum of dimensions of all sides
Without knowing any other property of that triangle, you can't.
There is no way to find perimeter from a 3D figure. However, you can find the perimeter of a side of a triangular prism by using perimeter formulas for a parallelogram or triangle.
for square = side * 4 for rectangle = 2 (length + breadth) for triangle = sum of all the sides regular polygon = side * 5 regular hexagon = side * 6 in fact , if all the sides of any quadilateral are equal , then the perimeter of the figure will be the lenght of the side multiplied by the number of total sides in the figure
If that's the length and width of a regular four-sided figure, the perimeter is 5 m.
Perimeter is the distance around the figure. Add all sides. Area depends on the figure. Triangle --- 1/2 bh Rectangle --- lw. Others --- divide into triangles and find the area of each triangle then add all together.
You need the measures of two sides and for the triangle to be a right triangle to figure out the third side.
If a pentagon, which is a 5-sided figure, has 26.8 for a perimeter, then each side of that regular pentagon is 26.8 divided by 5 = 5.36 long. How do you get 26.8 for the perimeter of a regular pentagon? Use a regular pentagon with 5.36 for a side length.