Answer:
sin(8x)
Step-by-step explanation:
assuming that you didn't mean to write it twice
18cm
136
(6-10i)(6+10i)
36 +60i - 60i - 100i²
36 - 100i² (i² = -1)
36 + 100
Answer: Cool!ididnt even no that!
the perimeter is 18
