Use the unit circle. Of the choices given, only cos 45 and sin 45 are equal to positive sqrt2/2.
Answer:
240
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
First, find out how wide his shelf is in inches. 2.25*12=27. So his shelf is 27 inches wide. Then divide that by 2.25 to find the number of encyclopedias will fit.
Answer:
x=30
Step-by-step explanation:
Answer:
I believe the answer you chose is correct. D