What is the length of y in this 45-45-90 triangle

The length of the side y is 8.

Step-by-step explanation:

Use cosine to find the distance of y:

= cos 45

= 0.70711

y = 0.70711 * 8

y = 8

step-by-step explanation:

use context clues to figure out the meaning of the bolded word:  

the sage gardener knew when she had to water her plants.  

question 8 options:

mint plant

wise

happy

lazy

to find the perimeter, you add up all the lengths of the sides. in this case you would have to add up 18+22+40+80 which equals 160.