Step-by-step explanation:
SAS is Side - Angle (between the sides) - Side
BC and CD are shown to be congruent with the markers that cross the line segments.
AC and AC are the same because they are the same.
The only things needed are the congruent angles between the sides.
The angles are ACD and ACB, because those are the angles between AC and BC and AC and CD.
18 dollars would be the answer
1 foot = 12 inches = 1/12
21/1 x 1/12 = 21/12 = 1.75 feet
Answer: 1.75 feet
