Let's suppose the diameter (AB) of the circle is 20 cm and AD is 18 cm. How would we calculate DC? Or for that matter, is it possible to calculate angle CBD or angle CAD?

.5 lb

step-by-step explanation:

12 in / 6 in =2 in

.25 x 2 = .5 lb

1     sepan

2     encuentren

3     tenga

4     hable

5   parezca

6   llegue

u dumb boi

step-by-step explanation:

answer: cos [   arcsin (3/5) - arccos (1/2) ] =

step-by-step explanation: × = 3/5 = 0.6--> x = 36.87 and x = 180 - 36.87 = 143.13 deg

cos y = 1/2 --> y = +- 60 deg a. cos (x - y) = cos (143.13 - 60) = cos 83,13  

=

0.12

b. cos (36.87 - 60) = cos (-23.23) = 0.92