Posted by claire on Saturday, December 8, 2012 at 1:05pm.
Using Heron's formula,
the semi-perimeter is (83.75+110.65+90)/2 = 142.2
a = √(s(s-a)(s-b)(s-c))
= √((142.2)(142.2-83.75)(142.2-110.65)(142.2-90))
= 3699.79
Related Questions
Math - If all of the following triangles have the same perimeter, which has the ...
math - A triangle has vertices P(7,7), Q(-3,-5), and R(5,-3). a. calculate the ...
math - A triangle has vertices P(7,7), Q(-3,-5), and R(5,-3). a. calculate the ...
math - A triangle has vertices P(7,7), Q(-3,-5), and R(5,-3). a. calculate the ...
maths please help - how do you find the isoperimetric quotient of an n sided ...
Math - A triangle has side lengths of 172m, 155m, and 200m. calculate the area...
math - area of a triangle is equal of the area of a square of side 60 m. Find ...
Math - The area of a triangle is 75 sq in. Calculate the possible angles formed ...
HELP!!!!RIGHT NOW!!!! - Which set of side lengths shows similar triangles? (1 ...
IRSC - the sum of the lengths of any two sides of a triangle must be greater ...
For Further Reading
