| William Blackwood - 1831 - 986 pages
...-0795775 * ; and that product multiplied by the • This number is obtained in the following manner. **The area of a circle is equal to the square of the** circumference divided by 4 times 3-1416 (thecircumference of a circle, whose diameter is unity); or... | |
| James Bates Thomson - Arithmetic - 1852 - 108 pages
...Sum of areas added 14.52990 21.402TH Multiplied by i of height, 311 Ans. 677.73475 cu. ft. 77. Since **the area of a circle is equal to the square of the diameter multiplied by .7854,** (Art. 029,) it follows, that if the area of a circle is divided by .7854, the quotient will be the... | |
| Adrien Marie Legendre - Geometry - 1852 - 436 pages
...equal to the area CA ; hence, AMBx^CA is equal to the area of the sector. PROPOSITION XVI. THEOEEM. **The area of a circle is equal to the square of the** radius multiplied by the ratio of the diameter to the circumference. * Let the t circumference of the... | |
| Charles Davies - Geometry - 1854 - 436 pages
...equal to the area CA ; hence, AMB x % CA is equal to the area of the sector. PROPOSITION XVI. THEOREM. **The area of a circle is• equal to the square of the** radius multiplied by the ratio of the d'ameter to the circumference. Let the circumference of the circle... | |
| william johnson - 1854 - 212 pages
...and the product of R into R is expressed by R2, or the square of the radius. It follows, then, that **the area of a circle is equal to the square of the** radius multiplied by the circumference, or 3-1416. Example. — The radius of a circle being l-05m.,... | |
| Adrien Marie Legendre, Charles Davies - Geometry - 1857 - 442 pages
...equal to the area CA ; hence, AMB x J CA is equal to the area of the sector. PROPOSITION XA7!. THEOREM. **The area of a circle is equal to the square of the** radius multiplied by the ratio of the diameter to the circumference. Let the circumference of the circle... | |
| William Johnson - 1860 - 442 pages
...and the product of R into К is expressed by R-, or the square of the radius. It follows, then, that **the area of a circle is equal to the square of the** radius multiplied by the circumference, or 3-1416. Example. — The radius of a circle being 12 feet,... | |
| 1864 - 876 pages
...mile contains 6-10 acres. The circumference of a circle is equal to the diameter multiplied by 3.1416. **The area of a circle is equal to the square of the diameter multiplied by** 0.7854. The United States standard gallon contains 231 cubic inches, and the United States standard... | |
| Gerardus Beekman Docharty - Geometry - 1867 - 474 pages
...in that state, is equal to the rectangle of the radius and half the circumference. QED THEOREM XVII. **The area of a circle is equal to the square of the** radius multiplied by the ratio of the diameter to the circumference. Let the circumference of the circle... | |
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