Heron's formula - practice problems

The Heron's formula is used to calculate the contents of a general triangle using the lengths of its sides. Heron's formula states that the area of a triangle whose sides have lengths a, b, and c is:
S=s(sa)(sb)(sc), where s=2a+b+c is the semiperimeter (half perimeter) of the triangle .

Number of problems found: 55


Do you have homework that you can't solve? Ask a question, and we try to solve it.



We will send a solution to your e-mail address. Solved examples are also published here. Please enter the e-mail correctly and check whether you don't have a full mailbox.

Please do not submit problems from current active math competitions such as Mathematical Olympiad, correspondence seminars etc...
See also our trigonometric triangle calculator. See also more information on Wikipedia.