What is the perimeter of a triangle with corners at (7 ,3 ), (9 ,5 ), and (3 ,3 )?
1 Answer
Feb 11, 2018
Explanation:
Well, perimeter is simply the sum of the sides for any 2D shape.
We have three sides in our triangle: from
The lengths of each are found by Pythagoras' theorem, using the difference between the
For the first:
For the second:
And for the final one:
so the perimeter is going to be
or in surd form,