Answer:
8 edges
Step-by-step explanation:
A square based pyramid has 8 edges
Answer:
1260
Step-by-step explanation:
First you will need to find the amount of sides of the polygon:
(After looking it is 9)
Each angle of the side of a nonagon is 140 degrees.
Multiply by 9 since you can make 9 triangles:
140 x 9 = 1260
3 slots
1st slot has 10 possible people
2nd slot has 9 possible people (1 less than previous)
3rd slot has 8 possible people
so there are 10*9*8 ways or 720 ways
ANSWER: A
I THINK IF U GOT IT WRONG IM SO SORRY IT WOULD BE MY FAULT HAVE A GOOD DAY! EAT AND DRINK WATER