2.8 similar figs and proportions - mrs. guerriero...2.8 similar figs and proportions 2 = = 6 14 2 x...
TRANSCRIPT
-
2.8 Similar Figs and Proportions
1
28 Proportions and Similar FiguresNotes
In similar figures, the ratios of corresponding side lengths are equal. This means they are proportional.
For Example...
Plan:
-
2.8 Similar Figs and Proportions
2
=
=6 14
2XClick above to reveal setup.
Click below to check answer.
0.857cm
A map has a scale of 2 cm :14 km. Evanston and Wilmette are 6 km apart in real life. How far apart are they on the map?Get a plan and stick with it:
==
4 10
16X
Click above to reveal setup.
Click below to check answer.
6.4 ft
A statue that is 10 ft tall casts a shadow that is 16 ft long. Find the length of the shadow that a 4 ft cardboard box casts.Get a plan and stick with it:
-
2.8 Similar Figs and Proportions
3
=
=514 60
3X
Click above to reveal setup.
Click below to check answer.
25.7 in
A model of the high school has a scale of 3 in : 60 m. If the high school is 514 m wide, how wide is the model school?Get a plan and stick with it:
Practice makes perfect...
How tall is this tree with a 40 ft long shadow, if I am 6 ft tall with an 8 ft shadow at the same time of day?
Pull
Pull
-
Attachments
Figures for Geometry Review Lesson.doc
Figures/Problems from Geometry Review Game
SMART Notebook
Page 1Page 2Page 3Attachments Page 1