Teachers' manual for freehand drawing in Intermediate schools : intended to accompany the drawing-books for intermediate schools (1878)
Smith, Walter, 1836-1886 · Toronto, A. Miller · leaf 60
- the lines ao andeo, being equal to one right angle and two-thirdsof another, is an angle of 150°. But the opening of a right angle is equal to one- … 58 TEACHERS MANUAL. fourth of any circle ; as, nc, large or small: henceany whole circle has 3G0 degrees. When a degreemeasures the difference in direction of any twostraight lines, it always means the ninetieth part ofa right angle ; wlicn applied to a circle, it alwaysmeans the three huntlred and…
Drawing
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