Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 213
iven a, h, and the projectionof b upon a. ,. Ex. 749. Compute the side of a rhombus whose diagonals are 12and 16. Ex. 750. If the square of the longest side of a triangle is greaterthan the sum of the squares of the other two sides, is the triangle obtuse,right, or acute ? Why ? 202 PLANE GEOMETRY… … Given P, a point within circle 0, and AB and CD, any twochords drawn through P. To prove PA - PB = PC - PD, The proof is left as an exercise for the student.Hint. Prove A AFC -- A PDB, Ex. 751. In the figure for Prop. XXXI, if PA = 5, PB = 12, andPD = 6, find PC, Ex. 752. In the same figure, if PC…
Geometry, Plane · Geometry, Solid
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