Question

The information given represents lengths of sides of a right triangle with c the hypotenuse. Find the correct missing length to the nearest hundredth. A calculator may be helpful.

a = ?, b = 12, c = 19

A.
14.03

B.
14.38

C.
14.73

D.
15.07

Answer 1

@satellite73 @rishavraj

Answer 2

@Cheez

Answer 3

a

Answer 4

is it

Answer 5

A^2 * B^2 = C^2. So, C^2 / B^2 = A^2

Square C and B, divide C by B and you have your answer

Answer 6

@cheez
that is not quite correct

in the equation c is the hypotenuse

so a^2 + b^2 = c^2

a^2 = c^2 - b^2

you know c and b so use the equation to find a^2, then take square root to find a

Answer 7

i got 2.506

Answer 8

Ah my mistake, I thought it was divided by. I got the 2.5--- answer and was like "ok something wrong...."

Answer 9

start with c

what is c^2

then what is b^2

then what is c^2 - b^2

then take squareroot to get a

Answer 10

It has been like 4 years since I took pre algebra so it takes a toll on ye old memory.

Answer 11

the answer is C