# How to Construct a 70 Degree Angle?

In classical geometry, the only permitted tools for constructing figures were a compass and an unmarked straightedge. With this, it was possible to perform a variety of operations, such as building...
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http://www.ehow.com/how_8177212_construct-70-degree-angle.html

## How to Construct a 90 Degree Angle With a Protractor?

A protractor is a useful tool for measuring as well as creating angles. You can use a protractor to create a 90-degree angle, also known as a right angle. Being able to create right angles is usefu...
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http://www.ehow.com/how_8143774_construct-90-degree-angle-protractor.html

## How does height affect angle ie a 90 degree roof angle at a 20 degree pitch with a building That projects 10 degrees what angle does the building meet the roof?

we add the 20 degrees to the 30digrees so it is 50

http://wiki.answers.com/Q/How_does_height_affect_angle_ie_a_90_degree_roof_angle_at_a_2...

## How to Calculate the Degree of an Angle?

When studying geometry, students learn the importance and parts of an angle. Found in every physical object, an angle is defined by two lines that share a common endpoint, or vertex. The opening be...
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http://www.ehow.com/how_8103309_calculate-degree-angle.html

## How to Find a 122 Degree Angle?

Accurately finding angles is an important skill and getting it wrong can be both expensive and dangerous. The NASA Mars Climate Orbiter blew itself apart after entering orbit around Mars at too ste...
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http://www.ehow.com/how_8515042_122-degree-angle.html