Answer:

Step-by-step explanation:
We know that:


Remember:
450°=360°+60°
and:

Thus:

Then:

Answer:
rice --- no of people
1 ---- 3
2 ---- 6
4 ---- 12
12 --- 36
43 --- 129
Step-by-step explanation:
This is in direct proportion. The constant value of it is 3 so you have to multiply the number of cups into three to get the number of people it can feed
Answer:
30.4°
Step-by-step explanation:
< P = arc tan QR/PQ
= arc tan 33.8/57.6
= arc tan 0.5868
= 30.4°
Check the picture below.
so is really just a cylinder with a cone on the side, notice, since the diameter of the base is 4, the radius is half that then.
so we just simply get the volume of the cylinder, and the cone, and sum them up