Question

HELP!

Answer 1

Gina looks at the architectural plan of a four-walled room in which the walls meet each other at right angles. The length of one wall in the plan is 17 inches. The length of the diagonal of the floor of the room in the plan is approximately 18.79 inches.

Is the room in the shape of a square? Explain how you determined your answer. Show all your work.

Answer 2

@jim_thompson5910

Answer 3

use the pythagorean theorem to find the value of x

Answer 4

ok so i do this?
18.79^2+17^2=c^2?

Answer 5

a^2+b^2 = c^2
17^2+x^2=18.79^2

Answer 6

solve for x

Answer 7

oh ok!

Answer 8

keep in mind that c is always the longest side (aka the hypotenuse)

Answer 9

the longest side is always opposite the 90 degree angle

Answer 10

ok!

Answer 11

i got 8

Answer 12

did you get a long decimal number?

Answer 13

or just 8?

Answer 14

i got x=8.00400524

Answer 15

good

Answer 16

so is that the answer?

Answer 17

if we draw in a rectangle like so