 | Euclides - 1845 - 546 páginas
...about a given circle. 100. On the sides of an equilateral triangle three squares are described. Compare the area of the triangle formed by joining the centres of these squares with the area of the equilateral triangle. 101. If three equal circles touch each other; to... | |
 | John William Colenso (bp. of Natal.) - 1851 - 382 páginas
...given Iog2 = .30103. '278. On the sides of an equilateral triangle three squares are described. Compare the area of the triangle formed by joining the centres of these squares with the area of the equilateral triangle. 279. From the values of BD and sinA in (116), obtain... | |
 | George Wirgman Hemming - 1851 - 176 páginas
...(cot a ,- cot /3). 4. On the sides of an equilateral triangle, three squares are described. Compare the area of the triangle formed by joining the centres of these squares with that of the equilateral triangle. 5. If R, r be the radii of the circles described N about... | |
 | Bengal council of educ - 1852 - 348 páginas
...ABE). Cos 2 (A + B). 8. On the sides of an equilateral triangle three squares are described. Compare the area of the triangle formed by joining the centres of these squares with the area of the equilateral triangle. Friday, April 7th. FIBST AND SECOND CLASSES. Footprints,... | |
 | 1855 - 864 páginas
...ABE). Cos2 (A + B). 8. On the sides of an equilateral triangle three squares are described. Compare the area of the triangle formed by joining the centres of these squares with the area of the equilateral triangle. Friday, April 7(h. FIHST AND SECOND CLASSES. Footprints,... | |
 | Isaac Todhunter - 1860 - 318 páginas
...the sides BC, CA, AB ; and circles are described about the triangles PA'ff, PEC', PC? A'. Shew that the area of the triangle formed by joining the centres...circles is one-fourth of the area of the triangle ABC. 42. Three circles touch each other externally; prove that the square of the area of the triangle formed... | |
 | Henry W. Jeans - 1873 - 272 páginas
...a2c2 + 62c2. [l0Oa]. On the' sides of an equilateral triangle three squares are described. Show that the area of the triangle formed by joining the centres of these squares=area equilateral triangle x [101 a]. A fleet of steam- vessels, under the command of an admiral,... | |
 | Henry William Jeans - 1873 - 292 páginas
...a2c2 + 62c2. [100a]. On the sides of an equilateral triangle three squares are described. Show that the area of the triangle formed by joining the centres of these squares=area equilateral triangle [101a]. A fleet of steam- vessels, under the command of an admiral,... | |
 | Isaac Todhunter - 1874 - 360 páginas
...the sides BC, С A, AB; and circles are described about the triangles PA'B1, PffC', PC' A'. Shew that the area of the triangle formed by joining the centres of these circles is one-fourth of the area of thte triangle ABG. 45. Three circles touch each other externally: prove that the square of the area... | |
 | Joseph Wilson, Samuel Robertshaw Wilson - 1879 - 136 páginas
...cos (0 — a) — у cos a. 5. On the sides of an equilateral triangle squares are described. Compare the area of the triangle formed by joining the centres of these squares, with that of the original triangle. EXERCISE XXIX. 1. Shew that the smallest positive value... | |
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Compare the area of the triangle formed by joining the centres of these squares with the area of the equilateral triangle. 
