Question

Find a if b = 40 and c = 41

A. a = 9
B. a = 3
C. a = 81

Answer 1

D. a= sqrt 3281

I forgot to put D on their. lol

Answer 2

You have to use the Pythagorean Theorem

Answer 3

\[c ^{2}=a ^{2}+b ^{2}\]

Answer 4

This works if a and b are the two sides of a 90° angle and c is opposite to the 90°angle

Answer 5

so wouldnt the answer be B then??

Answer 6

no. \[\sqrt{3^{2}+40^{2}}=40.1123\]

Answer 7

So D then huh?

Answer 8

why D, can you explain.

Answer 9

a^2 + b^2 = c^2

Answer 10

Please do try to justify and not simply take a guess and wait for others to do all the work.

Answer 11

substitute the values and find a

Answer 12

A?

Answer 13

it is A