Divide both sides by their LCD, 2
2/4 = 1/2
1/2 is irreducible
Answer: The minimum is 16, probably arranged in 4 rows of 4 buttons.
Step-by-step explanation: just grab a calculator lol
2160
Explanation:
Use the equation (n-2)180
(14-2)180
(12)180
2160
set up a ratio to find the length:
15/12 = DE/16
cross multiply the 15 & 16:
15 * 16 = 240
divide that by 12 to get DE
240 / 12 = 20
DE = 20
