# What is a primary angle?

Glaucoma, a leading cause of blindness, can be treated successfully if caught early on. According to Glaucoma-Association.com, it affects approximately 2% of people over the age of 40. Primary Angl...
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http://www.answerbag.com/q_view/1973694

## 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 Find the Length of the Angle Bisector With 2 Sides and One Angle?

figureThis has been by K.Jayaganesh all alone.This is the Jayaganesh Theorem.This can be used to find the length of the angle bisector by the 2 sides not intersected by the angle and the angle invo...
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http://www.wikihow.com/Find-the-Length-of-the-Angle-Bisector-With-2-Sides-and-One-Angle

## How to Prove Angle-Angle Similarity?

A proof for an angle-angle similarity requires three steps to show that two different angles on two triangles are congruent. Because the triangles have two congruent angles, the triangles are simil...
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http://www.ehow.com/how_8438932_prove-angleangle-similarity.html

## If you're connecting 3-inch copper pipe to 3-inch PVC with a rubber sleeve and they meet on a parallel horizontal plane and need a slight angle so the PVC can slope downward how do you get the angle?

AnswerThis should not even be a problem unless the angle is more than slight. Connect the two together and drop the PVC or put a PVC elbow in there .somewhere/

http://wiki.answers.com/Q/If_you%27re_connecting_3-inch_copper_pipe_to_3-inch_PVC_with_...