Elements of geometry : containing books I to III (1886)
Smith, J. Hamblin · Toronto : W.J. Gage · leaf 107
re of AE) =4 (< + »0 x P- That is, the measure of the area of a trapezium is fom (,,multiplying half the measure of the sum of the parallel aidesbv the measure of the perpendicular distance between theparallel sides. EUCLIDS J: I.I: Ml [Books I. & TI Area of an Irregular Polygon. There are… … Thus the area of the irregular polygon ABODE is equalto the sum of the areas of the triangles ABE, EBD, DBC. II. Tin polygon may be co verted into a single triaoj i qua! <• It ABODE be a pentagon, we can convert it into anequivalent quadrilateral by the following pro
Geometry
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