Multiple Choice
If a triangle has sides of lengths 7, 10, and 5, what is the semi-perimeter $s$?
What is the formula used to calculate the area of a triangle when the lengths of all three sides are known?
In Heron's formula, what does the variable 's' represent?
Which of the following represents Heron's formula?
Which expression correctly represents the semi-perimeter of a triangle with sides $a$, $b$, and $c$?
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