From the unit circle sin 30 = sin pi/6 = 1/2.
Answer:
8 is the answer
Step-by-step explanation:
the equation is r = C/2*3.14
2*3.14=6.28
Because your C is 50 you do 50/6.28 and when you do that you get 7.962 (rounded) and then we round for the whole # so 8.
It is not 90 degrees it is 87
Step-by-step explanation:
So, the distance between the points P and Q is 4 units.
Answer: 60 in
Step-by-step explanation:
if the image is 3 times bigger, the length and width become...
4 in * 3 = 12 in. length
6 in * 3 = 18 in. width
so the perimeter is
12 * 2 + 18 * 2 = 60 inches!