7. The radius of the circle is 3 inches. What is the area of a sector bounded by a 180o arc?
What is sector area=14.1?
Double Jeopardy!!
12.a. Circle K is centered at K(-1,3) and passes through P(2,1). How long is the radius of circle K?
b. Does F(-4,5) lie on circle K?
What is a. the sqrt(13) or 3.61, b. Yes?
1. Find the radius, circumference, and area of the circle in number 1.
What is radius=11, C=69.1, A=380.1?
Double Jeopardy!!
4.a. What is the measure of arc EF?
b. What is the measure of angle HG?
What is arc EF=140o, and angle HG=120o?
8. Line QS is tangent to point P. What is the measure of angle S?
What is 32o?
15. A circle for a game spinner is divided into three regions as shown. Line RP is a diameter. What is the area of the shaded sector ROS if line RP=8?
What is sector area=18.8?
13. Write the equation for the circle with radius 3 centered at the (-9, 4).
What is (x+9)2+(y-4)2=32?
2. Find the radius, circumference, and area of the circle in number 2.
What is radius=3, C=18.8, A=28.3?
10. What is the measure of angle SRT?
What is angle SRT=36o?
9. Line SQ=10in and circle P has a radius of 3. What is the length of line ST?
What is sqrt(136) or 11.6?
Double Jeopardy!!
5. a. In circle T, arc KL is highlighted. Angle KTL measures 120o. What fraction of the circle is highlighted?
b. Which expression represents the length of arc KL in inches?
What is 120/360 or 1/3 and 1/3(10pi)?
14. Write the equation of the circle in number 14.
What is x2+y2=62?
3. Find the diameter, circumference, and area of the circle in number 3.
11. What is the measure of angle TSU?
What is angle TSU=116o?
(Arc Length and Sector Area)
6. The radius of a circle is 1 centimeter. What is the length of a 135o arc?
What is 2.4cm?