In order for a ladder to be considered safe, the angle created by the bottom of the ladder and the ground should be no more than 70°. How many degrees should the ladder be lowered by to be safe? Enter your answer, rounded to the nearest tenth, in the box.

b. 2 and 4

step-by-step explanation:

slope= 1

y-inter slope= 0

x       y

o     0

1       1

2     2

ect.

step-by-step explanation:

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.