Asked by bruh

What is the length of the diagonal for the rectangular prism to the nearest whole unit?
LENGTH:12 cm
WIDTH:4 cm
HEIGHT:9 cm

A.16 cm
B.15 cm
C.13 cm
D.10 cm

i thinks its c. i think...
Answered by bruh
i really need help please. i'll be patient but i am in a little bit of a rush.
Answered by bruh
@Writeacher, @Reed
Answered by Steve
As you know, the diagonal of a 2-D rectangle is

√(x^2+y^2)

Similarly, the diagonal of a rectangular prism is

√(x^2+y^2+z^2)

So, since you have x,y,z just plug them in:

√(144+16+81) = √241 = 15.52

Looks like B to me.
Answered by AshlynHowell
One question what do you divide by once you add all the numbers together I know the formula but then it doesn't tell me what to divide by?
Answered by Anonymous
You would round up to 16 if its 15.52, so wouldn't it be A?
Answered by Blah
15.52 is does not equal 15 it equals 16 because .52 rounds up to 1
Answered by Willow
It kinda seems like it's 16 but that's just me
Answered by It would be A because anything rounding for the decimals a thing 5 or up changes the number yw
My name says it all
Answered by It would be A because anything rounding for the decimals a thing 5 or up changes the number yw
It would be A because anything rounding for the decimals a thing 5 or up changes the number yw
Answered by Adina
so is it A?? or B??
Answered by Sidone
I believe the answer is A because you have round to the nearest whole unit.
Answered by steve
my bad the answer is D i didnt divide right
Answered by lol
your not the real steve lol his name was capital we arent dumb
Answered by lol
dumb
Answered by lol
not smart
Answered by lol
besides Steve dint even divide he square rooted thats not division its square root if you arent in 3rd grade u should know that
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