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:
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Step-by-step explanation:
Lesser x is 1/2 or 0.3
greater x is 4
Answer:
10
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
its B
:p
