((n-2)×180)/n = 156
(n-2)×180=156n
24n =360
n =15
360/n =36
n = 10
a)15 b)10
Answer: 460.61
Step-by-step explanation:
Answer:
850 but im not sure lol
Step-by-step explanation:
645 + 225 = 870
1,320 - 870 = 450
450 + 350 = 800
800 + 50 = 850
Multiply 3&8 and 3&7, this expands it to 24 + 21.
Step-by-step explanation:
4.6+4.6=8.12
8.1 to one decimal place
the radius is half the length.
