Question

70 POINTS!

Janelle takes a rectangular piece of fabric and makes a diagonal cut from one corner to the opposite corner the cut she makes is 15 centimeters long and the width of the fabric is 12 centimeters what is the Fabrics length?

I need all work done for for the answer! Please make sure it is right and please be quick!

Answer 1

You can solve this question with pythagorean theorem >
`{a}^(2) + {b}^(2) = c^(2)`

Based on the information, you already have one side (a or b, doesn't matter, 12) and the hypotenuse (the cut, c, 15)

So:
1.
`12^(2) + b^(2) = 15^(2)`
2. 144+
`b^(2)` = 225
3.
`b^(2)` = 225 - 144 = 81
4.
`b= √(81)`
5.
`b=9`