Geometry: Circle Relationships Apply theorems about circles, including relationships among angles, radii, chords, tangents, and secants, to solve problems . Geometry for grade 10, based on Common Core standard G-C.2, and on TEKS standard G-12 11 Questions by Math_by_Kahoot 12/08/2017 answers Play N/A plays Circle O has a diameter of 20. It has the same area as 4 circles with radius 2.5 5 10 A pizza slice makes a central angle of 24°. The slices are the same size. How many slices? 30 slices 24 slices 18 slices 15 slices Given Circle O with diameter AB, what is the measure of ∠COB? 26° 52° 64° 128° … and 8 more awesome questions! Check them out by clicking “Play”.