Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 238
e is 100, and the chord of theseoment 60 : what is the area of the segment ? A/is. 408, nearly. PROBLEM XXI. To find the area of an ellipse. Multiply the two axes together, and their product by the decimal ,7854, and the result will be the required area. EXAMPLES. 1. Required the area of an… … •238 APPLICATIONS Mensuration of Surfaces 3. What is the area of an ellipse whose axes are 80 andCO ? Ans. 3769.92. 4. What is the area of an ellipse whose axes are 50 and45? Ans. 1767.15. PROBLEM XXII. To find tlie area of a circular ring: that is, the area in-cluded between the circumferences of…
Geometry · Plane trigonometry
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