Question

The legs of a right triangle are 4 units and 7 units long. To the nearest whole number, what is the length of the hypotenuse?
a) 8 units
b) 9 units
c) 10 units
d) 11 units

Answer 1

Do you remember the Pythagorean Theorem?

Answer 2

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

Answer 3

nope

Answer 4

The formula I put there is the Pythagorean Theorem. You fit in the sides for a and b so \[4^2+7^2=c^2\]

Answer 5

now square the two numbers

Answer 6

16 + 39?

Answer 7

7*7=49, but close.

Now the equation is \[16+49=c^2\]

Answer 8

add the two numbers together

Answer 9

then I square root it ?

Answer 10

right

Answer 11

so my answer is 8 units?

Answer 12

rounded up, yes.

Answer 13

omg, thank you <3

Answer 14

your welcome, good job! :D