23. Triangle ABC is similar to triangle DEF.
D
15 cm
А
5 cm
4 cm
N
B 3 cm C
E
9 cm
F
Which proportion can be used to find the length of
DE
in centimeters?
Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?