It form a right triangle
legnth of ladder is hypotonuse
bottom of ladder from wall distance is one leg
distance up wall is other leg
a^2+b^2=c^2
c=hypotonuse and a and b are legs
4^2+b^2=20^2
16+b^2=400
minus 16 both sides
b^2=384
sqrt both sides
b=8√6 ft
aprox
b=19.59ft from ground
Answer: (7/2)^2
Step-by-step explanation:
8/9 * 1/4 = 8/36 division of fractions is equal to the multiplication of the reciprocal
Here is my answer.. correct me if im wrong.
