Use
Angle sin A = AB/BC
AND FIND IT OUT
PLEASE FOLLOW ME
AB=2r
BC=7
AC=AB+BC
-5=2r+7
-12=2r
-6=r
AB=-12
Answer:
The answer is 84
Step-by-step explanation:
(-7)*(3)*(-4)
negatives cancel out: 7*3*4
Simplify: 84
1/4
