Looks like heron
Geometry
Level
3
What is the maximum area of a quadrilateral with sides 5, 6, 7 and 8?
Give your answer to 3 decimal places.
The answer is 40.987.
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1 solution
Relevant wiki: Brahmagupta's Formula
((s-a)(s-b)(s-c)(s-d))^(1÷2)
With s=(a+b+c+d)/2
So we got the answer is 40.987