Triangle AA'B'C' is the image of AABC under a rotation about the origin, (0,0). B
7
6-
5-
4-
34
С
А
{ H
-7-6-5-4-3-2
2
1-
A
+2
1 2 3 4 5 6 7
-2-
-3+
-47
-5
-6-
-7
B'

b

step-by-step explanation:

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft

answer: b

step-by-step explanation: