Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 331
>r.^i^-.Z:-:A … Given line PO i. plane MN and : I. Oblique lines PA and PB with projection OA = projec-tion OB. II. Oblique lines PA and PC with projection 0C7> projec-tion OA. To prove : I. PB = PA^ 11. PC> PA. The proof is left as an exercise for the student. 659. Cor. I. (Converse of Prop. XIX). Of all…
Geometry, Plane · Geometry, Solid
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