please edit your question man
A squared plus B squared equals C squared, so what you need to do it square 5 and 7.
5 = 25
7 = 48
Then add then and square root your answer. 48 + 25 = 73. 73 square rooted equals an rounded amount of 8.6. SO the answer is D
Answer
An equilateral.
Step-by-step explanation:
The degrees are the same and so 60=60=60. The triangle is a equilateral.
