10 and -12
Step-by-step explanation:
10x-12=-120
it said it needed to be 20 characters long. so this is me making it that
N would = 20, because 2x20=40 which is greater than 30
Answer: 5 faces,8 edges,5 vertices
Step-by-step explanation:5 faces - of which 1 is a square face at the base and 4 isosceles triangle, above.
5 vertices - of which 4 are at the base where 3 edges meet and one above where 4 edges meet.
8 edges - of which 4 are equal in length and at the base and the other 4 are equal in length and above.
