Answer:
4:12
Step-by-step explanation:
I think you asked for a ratio?
the answer is 45,000 cause i went and searched it and found it somewhere else lol
It can be found by using the formula,
an = a+(n-1)d
Answer:
Step-by-step explanation:
square of 15 + square of x = square of 21
225 + square of x = 441
441 - 225 = 216
x = 216