Difference between revisions of "2024 AMC 8 Problems/Problem 17"
(→Solution 1) |
Pi is 3.14 (talk | contribs) |
||
| Line 18: | Line 18: | ||
==Video Solution 2 (super clear!) by Power Solve== | ==Video Solution 2 (super clear!) by Power Solve== | ||
https://youtu.be/SG4PRARL0TY | https://youtu.be/SG4PRARL0TY | ||
| + | |||
| + | ==Video Solution 3 by OmegaLearn.org== | ||
| + | https://youtu.be/UJ3esPnlI5M | ||
Revision as of 12:56, 26 January 2024
Contents
Problem
A chess king is said to attack all the squares one step away from it, horizontally, vertically, or diagonally. For instance, a king on the center square of a 
x grid attacks all 
other squares, as shown below. Suppose a white king and a black king are placed on different squares of a x grid so that they do not attack each other. In how many ways can this be done?
(A) 
(B) 
(C) 
(D) 
(E) 
==Solution 1== by Math 645
Corners have 5 spots to go and 4 corners so 5*4=20. Sides have 3 spots to go and 4 sides so 3*4=12 20+12=32 in total. E (32) is the answer.
Video Solution 1 by Math-X (First understand the problem!!!)
~Math-X
