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30 - 60 - 90 Triangles
Take a few minutes to interact with the applet below. Then, answer the questions that follow.
1. How does the length of the hypotenuse of this triangle compare with the length of this triangle's shorter leg?
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Hint:
Watch the last part of the animation in the applet above.
2. Suppose the shorter leg's length (
BC
) = 4 cm. What would
AB
be? Write this distance in simplest radical form.
cm
2 cm
8 cm
cm
3. Take the information from the previous question. Use this information to find
AC
. Write this distance in simplest radical form.
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Small
Normal
Big
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Bold
[ctrl+b]
Italic
[ctrl+i]
Underline
[ctrl+u]
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Superscript
Subscript
Font color
Auto
Justify
Align left
Align right
Align center
• Unordered list
1. Ordered list
Link
[ctrl+shift+2]
Quote
[ctrl+shift+3]
[code]
Code
[ctrl+shift+4]
Insert table
Remove Format
Insert image
[ctrl+shift+1]
Insert icons of GeoGebra tools
[bbcode]
Text tools
Insert Math
.
4. Suppose A
C
=
. What is
BC
? Write in simplest radical form.
12
6
9
5. Suppose A
C
=
. What is
BA
?
Write in simplest radical form.
12
9
6
6. Suppose AC = 5. What is
BC
? Write in simplest radical form.
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Information: 30 - 60 - 90 Triangles