At a certain time of day, a pole, 5 meters tall, casts a 3-meter
shadow.
a. The shadow of a building beside the pole is 18 meters long.
How tall is the building?
b. How long will the shadow of a 45-meter building be?
Complete the following:
Describe one way that concepts about similarity could be used in real life.
Write two proportions in the form start fraction a over b end fraction equals start fraction c over d end fraction. Only one of your proportions should be a true equation. Do not state which equation is true and which is not true. Your classmates will have to determine this.
Give three possible side lengths for a triangle. For example, you could give the side lengths 3, 4, and 5.
2 answers
a. 5/3 = h/18.
3h = 90,
h = 30 m.
b. 45/s = 5/3.
S = 27 m.
3h = 90,
h = 30 m.
b. 45/s = 5/3.
S = 27 m.
3 answers