Heron's formula gives the area of a triangle from its three sides — no height needed.
Drag the corners
area ≈ 102.1 sq units
Heron's formula
Derived from Pythagoras and trig — but you don't need either to use it.
Heron's formula gives the area of a triangle from its three sides — no height needed.
Derived from Pythagoras and trig — but you don't need either to use it.