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Topic: Drawing angles with a compass with degrees
Replies: 1   Last Post: Jan 15, 2010 11:04 AM

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 Dan Cass Posts: 442 Registered: 12/6/04
Re: Drawing angles with a compass with degrees
Posted: Jan 15, 2010 11:04 AM

> Hi! I am having trouble drawing an angle with a
> geometric compass. The question states:
>
> "Construct an angle with each given measure and label
> it. Remember, you may use only your compass and
> straight edge. NO PROTRACTOR!"
>
> a) 90 degrees
> b) 45 degrees
> c) 135 degrees
>
> I have construscted a 90 degree angle and two 45
> degree angles to make a triangle, but idk how to make
> it 135 degrees because isnt a triangle just 180? Does
> the question really want me to make a triangle or am
> i just over thinking it?

You already have 90 and 45.
So put them together to make 90+45 = 135 degrees.

Date Subject Author
10/8/09 Cindy
1/15/10 Dan Cass