Question

Two circles are concentric, and have radii of 15 and 25 respectively. If two arcs are formed by the same central angle, which of the following are possible arc lengths? Select the two correct answers.
30 and 40

50 and 80

3 and 5

45 and 75

60 and 90
the arcs will have the same ratio as the radii: 3:5

Related Questions

This figure shows concentric circles of radii 3 and 5, respectively, centered at the origin of an xy... Two circles are concentric. Two arcs are formed by the same central angle, with arc lengths of 54 an... Pythagorean Theorem adjacent arcs center central angle circle circumference concentric circles...