What is the area of 8-cm sides?

Answer 1

That depends on how many sides the figure has.

For example . . .

-- If it's a triangle, then its area is 27.7 cm2.

-- If it's a square, then its area is 64 cm2.

-- If it's a pentagon (5 sides), then its area is 110.1 cm2.

-- If it's a hexagon (6 sides), then its area is 166.3 cm2.

.

.

etc.