Work backwards with pythagoras' theorem:
c^2=a^2+b^2
Here, a and b both equal to x. Therefore, you can write this as 8^2=2x^2. So 64=2x^2. Sqrt on both sides to give you 8=2x, hence x=4. However I must warn you that this working out may have a flaw, as I found that x actually equals to 5.66
Answer:
b=15
Step-by-step explanation:
Well, you already found the answer :)
Answer:
64π²
Step-by-step explanation:
Formula is πr². Just put 8 into r.
Can I have Brainliest?
D=RT
313.5=R4
divide by four
313.5/4=78.375
Therefore the answer is B