73 is your answer do 73 time 3, 3*3=9 put the 9 down then 7*3=21 so the answer is 219 which is the number your dividing by. Always times your answer by the number smallest number and if it equals the biggest number in that problem that means your correct. So the answer is 73. Hope this helps.
Answer:
65
Step-by-step explanation:
We need more info or a pic
Answer:
Cot is an inverse of tan:

4 prisms can fit inside that one cube