Ello, I just have two questions, thanks for the help
1. The area of this circle is 96(pi)m^2.
What is the area of a 30dg sector of this circle?
Options: 4(pi) m^2
and 2. A 20dg sector in a circle has an area of 21.5(pi)yd^2.
What is the area of this circle? Use 3.14 for pi. Answer in decimal form.
1 - I'm no expert in Trig.
But, Pi =180 degrees, and 30/180 =1/6Pi, then:
96(Pi)m^2 /6 =16(Pi)m^2
2 - Do the same thing with 2nd question:
20/180 =1/9. and 1/9 =21.5(Pi)Yd^2, so the area of the circle is:
9 x 21.5 x 3.14 =607.59 Yd^2. Makes sense?.