Question

Look at the figure.
What is the length, in units, of segment CD?
A.) 5.50
B.) 12.25
C.) 8
D.) 14

Answer 1

@Callisto

Answer 2

angle BAC = cos^-1 (4/7)
angle ACD = angle BAC = cos^-1 (4/7)
cos angle ACD = 7/ CD
CD = 7 / cos ( cos^-1 (4/7)) = 7/(4/7) = ?

Answer 3

12.25

Answer 4

Yes :)

Answer 5

thank you :)

Answer 6

Welcome :)