Elementary plane geometry : inductive and deductive / by Alfred Baker (1903)
Baker, Alfred, 1848-1942 · Toronto : Gage · leaf 104
t the bevel to an angleequal to any one of these, say, 30°. Place the angleof the bevel at any point C on the circumference, andwith a needle mark the points,A and B, where the legs of thebevel cross the circumference.We have thus a segment ACBcontaining an angle of 30% andaU angles in the segment… … Triangles In and About Circles. 101 with the protractor. The segment containing an angleof 30° may also be obtained by constructing at thecentre an angle of 60°. In a circle whose radius is 45 millimetres, constructa triangle whose angles are 75% 45 and 60. In a circle whose radius is IJ in.,…
Geometry, Plane
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