Answer:
160 inches
Step-by-step explanation:
An octagon has 8 sides;
20*8=160
11
A diagonal connects a vertex to another vertex without being a side of the polygon. There are 14 vertices in a 14-gon. This leaves 13 vertices left to connect to (since we cannot connect the vertex to itself). However, two of these vertices will form the sides of the 14-gon. This leaves us with 11 possible diagonals we can draw.
800 - 657
=143 points must be scored by John on his remaining tests in order to get an A
Answer:
7.29
Step-by-step explanation: