Answer:
C = 13
Step-by-step explanation: According to the pythagorean theorem, which states A² + B² = C². This means that in this equation 5²+12²=x². When we solve this we get 169=x². Since 169 is the perfect square of 13 therefore the answer is 13.
Answer:
the first option is the right answer.
the correct answer would be -5/12
Theres 8 edges, 5 vertices, and 5 faces.