Question

The leg of a right triangle is 2 units and the hypotenuse is 4 units. What is the length, in units, of the other leg of the triangle?
A)2 units
B) 6 units
C)Square root of 12 units
D)Square root of 20 units

Answer 1

Alright we use the Pythagorean Theorem
\[a ^{2}+b ^{2}=c ^{2}\]
where C is the hypotenuse
to find a leg you change the formula to look like
\[a^{2}=c ^{2}-b ^{2}\]
can you fill in C and B

Answer 2

A squared+ B squared= C squared so
2 squared+ ?+ 4 squared

Answer 3

OHH so A i was thinking that but then i thought you had to multiply all of those numbers by its own number

Answer 4

like 2 times 2 + 2 times 2= 4 times 4

Answer 5

do you know the answer?

Answer 6

either A or B :/

Answer 7

nope

Answer 8

wait it cant be B

Answer 9

\[a^{2}=c^2-b^2\]
fill in c and b c=4 and b=2
\[a^{2}=4^2-2^2\]
that equals (you answer)

Answer 10

oh so 2 i dont want to be wrong but sorry if i am im just lost

Answer 11

its okay
\[a ^{2}=16-4\]
\[a ^{2}=12\]
so what does a equal

Answer 12

omg so we did have to multiply it omg thanks so C

Answer 13

yes the answer is C