Can you use Heron's formula on a right angled triangle?

Of course. It's clearer what's going on when we use the rational form of Heron's formula, without the square root. It's sometimes called Archimedes' formula. Let's derive it from Heron. read more

Of course. It’s clearer what’s going on when we use the rational form of Heron’s formula, without the square root. It’s sometimes called Archimedes’ formula. read more

Heron's Formula Area of a Triangle from Sides You can calculate the area of a triangle if you know the lengths of all three sides, using a formula that has been known for nearly 2000 years. read more