27 is B. 11.2 and I think 28 is A. scalene
Answer:
r = -3.2
Step-by-step explanation:
-0.6(r+0.2) = 1.8
Divide by -.6
-0.6/-.6(r+0.2) = 1.8/-.6
r+.2 = -3
Subtract .2 from each side
r+.2-.2 = -3-.2
r = -3.2
I dont' know im soooo sorry for not knowing
C=1/6 of x
D=55/1/2
1/6 of 111/2=110.167
55.08
=55 inches
wouldn't you multiply all three?