Directions: The circle below is CIRCLE C, because it has point C at the center. Place the correct letter or point based on the direction.
11. With center C
12. With radii CA and CR
13. With diameter AR
14. With chord AM
15. With radius 10cm.​

50 points! antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units