These professional quality adjustable triangles feature beveled and inking edges and are manufactured from durable acrylic. Each triangle is precisely divided from 0 to 90 degrees and includes rise and slope divisions.
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What are these used for?- Asked by young on 12-Nov-12
The tangent and secant scales are different methods of measuring angles that are featured on the Pacific Arc Adjustable Acrylic Triangle for disciplines that use those scales.- Answered by MisterArt on 08-Jan-13
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