Answer:
Step-by-step explanation:
Only one
Answer:
WT=63
Step-by-step explanation:
So
divide both sides by 7 to get x alone
84/7 = 12
B.12
Answer:
Correct option: third one -> 12
Step-by-step explanation:
In a polygon with 'n' vertex, we can trace diagonals from one vertex to all vertices, except to the vertex chosen and the two adjacent vertices (because we would have sides and not diagonals), so we would have 'n - 3' diagonals.
If we have a polygon with 15 vertex, the number of diagonals from one vertex is 15 - 3 = 12.
Correct option: third one
Answer:
4n
Step-by-step explanation: