A 5 ft tall person walks toward a wall at a rate of 3 ft/s. A spotlight is located on the ground 40 ft from the wall. How fast (
1 answer:
You might be interested in
Answer:
JK = 24
Step-by-step explanation:
Δ BKJ and Δ BCA are similar triangles and ratios of corresponding sides are equal, that is
=
, substitute values
=
( cross- multiply )
5JK = 120 ( divide both sides by 5 )
JK = 24