9514 1404 393
Answer:
A- Triangle 2: {8, 15, 17}
Step-by-step explanation:
You may recognize that the triple of choice A is a Pythagorean triple, so can be the side lengths of a right triangle.
Checking the numbers can be done nicely by a graphing calculator or spreadsheet to help avoid the tedium of doing it "by hand".
The basic idea is that the triangle will be a right triangle if the sum of the squares of the shorter sides is the square of the longer side.
Answer:
A.
Step-by-step explanation:
We want to find an expression that is equivalent to
This expression can be rewritten as:
This expression is also the same as:
Form the given option, the only correct expression is
A.
Option B is not correct because:
C is also not equivalent because:
D is not equivalent because: