Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 253
base and altitude of the rectangle being equal to a givenline Ex. 939. Construct two lines, having given their difference and theirproduct. Ex. 940. Construct a triangle, given its three altitudes. Hint. Con-struct first an auxiliary triangle, with sides x, y^ and 0, such that ha : /?&=y : X… … Ex. 942. The feet of the perpendiculars dropped upon the sides of atriangle from any point in the circumference of the circumscribed circleare collinear. Outline of Proof. The circle havingAP as diameter will pass through iWand Q,•. Z 1 = Z1 and Z 2 = Z 2. Similarly Z3 = Z3, and Z PKM = Z PB3L .-.…
Geometry, Plane · Geometry, Solid
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