108
A pentagon has 3 triangles and 5 sides
True
Three
10
35
There are 3 triangles in a pentagon
A pentagon has 3 triangles and 5 sides
3 triangles
A pentagonal based pyramid
True
three
Three
20.
5
There are 3 triangles in a pentagon.
That depends on the size of the pentagon, and whether it is regular or not. In general, you can divide the pentagon into three triangles, and calculate the area of each triangle separately.
5