Hello there.
Question:
What type of triangle is defined by the following set of side lengths
10, 9, 5
Answer:
Acute
Explanation:
The triangle perimeter is the sum of the lengths of its three sides.
The semiperimeter of the triangle is half its perimeter. The semiperimeter appears in formulas for triangles to be given a separate name. the triangle inequality, the longest side length of a triangle is less than the semi perimeter.
using Heron's formula
Heron's formula gives the area of a triangle when the length of all three sides is known.
There you go :) I even calculated it for you.
Hope this helps!
If you have any questions please ask.