In AABC, BD is perpendicular to AC. The dimensions are shown in
centimeters. What is the length, in centimeters, of AC? AB is 10 cm, BC is 10 cm, and BD is 8 cm.

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

How do i i solve this equation? -18 = x/3 + 3

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units