Answer:
r = 13
Step-by-step explanation:
these angles are vertical and are congruent
8r + 6 = 9r - 7
6 = r - 7
13 = r
3x2.7=8.1,,, im not sure this is what you were asking for but i hope it helps
XoXo
A is at -8 and C i5 at 5
-8 to 0 is 8 units and 0 to 5 is 5 units.
8 +5 = 13
AC is 13 units long.
If it’s asking for Volume then the answer is 226.19.
If it’s surface area then it would be 207.35