 | William James Milne - 1899 - 258 sider
...QED 232. Cor. A right angle is measured by one half a semicircumference. Ex. 202. The angle between a tangent to a circle and a chord drawn from the point of contact is half the angle at the center subtended by that chord. Ex. 203. A line which is tangent to the inner... | |
 | Grace Lawrence Edgett - 1909 - 104 sider
...tangent and a chord is equal to the angle inscribed in the opposite segment. 15. The angle between a tangent to a circle and a chord drawn from the point of contact is half the angle at the center subtended by that chord. 16. The tangent at the vertex of an inscribed... | |
 | 1911 - 192 sider
...radius. 7. The sides of a triangle are AB= 13, BC= 14, CA = 15. Find the projection of AB upon BC. 8. An angle formed by a tangent to a circle and a chord drawn from the point of contact is measured by half the intercepted arc. Explain what is meant by the expression " measured by " as used... | |
 | Arthur Schultze, Frank Louis Sevenoak - 1913 - 486 sider
...is measured by \ (AD -f- OB). HINT. Draw DB, and apply Prop. XIII. PROPOSITION XV. THEOREM 236. An angle formed by a tangent to a circle and a chord drawn from the point of contact is measured by half the intercepted arc. Given AB a tangent, and AC a chord in O 0. To prove Z CAB is... | |
 | Arthur Schultze, Frank Louis Sevenoak - 1913 - 328 sider
...AED is measured by \ (AD + CB). HINT. Draw DB, and apply Prop. XIII. PROPOSITION XV. THEOREM 236. An angle formed by a tangent to a circle and a chord drawn from the point of contact is measured by half the intercepted arc. Given AB a tangent, and AC a chord in O 0. To prove Z CAB is... | |
 | Arthur Schultze, Frank Louis Sevenoak - 1918 - 486 sider
...AED is measured by % (AD + CB). HINT. Draw DB, and apply Prop. XIII. PROPOSITION XV. THEOREM 236. An angle formed by a tangent to a circle and a chord drawn from the point of contact is measured by half the intercepted arc. Given AB a tangent, and AC a chord in O 0. To prove Z CAB is... | |
 | Sir Thomas Little Heath - 1921 - 482 sider
...semicircle or less than a semicircle. 32 proves that thr angle made by a tangent with a chord through the point of contact is equal to the angle in the alternate segment. 33, 34 are problems of constructing or cutting off a segment containing a given angle, and 25 constructs... | |
 | Arthur Schultze, Frank Louis Sevenoak - 1913 - 484 sider
...AED is measured by \ (AD + OB). HINT. Draw DB, and apply Prop. XIII. PROPOSITION XV. THEOREM 236. An angle formed by a tangent to a circle and a chord drawn from the point of contact is measured by half the intercepted arc. Given AB a tangent, and AC a chord in O 0. To prove Z CAB is... | |
 | Arthur Schultze, Frank Louis Sevenoak - 1925 - 504 sider
...In same diagram (Prop. XV) ZB = 40°, and BC = 100°. Find /.AED. PROPOSITION XVI. THEOREM 237. An angle formed by a tangent to a circle and a chord drawn from the point of contact is measured by half the intercepted arc. AB Given AB a tangent, and AC a chord in O 0. To prove Z CAB... | |
 | Research & Education Association Editors, Ernest Woodward - 2012 - 1080 sider
...determine the measure of each arc drawn, and then apply the theorem stating that the measure of an angle formed by a tangent to a circle and a chord drawn from the point of contact is equal to one-half the measure of its intercepted arc. *DBC is formed in just such a way, and its measure is... | |
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The angle formed by a tangent to a circle, and a chord drawn from the point of contact, is equal to the angle in the alternate segment. 
