A source book of problems for geometry, based upon industrial design and architectural ornament (1912)
Sykes, Mabel, 1868-, Slaught, H. E. (Herbert Ellsworth), 1861-1937, Lennes, N. J. (Nels Johann), 1874- · Boston, Allyn and Bacon · leaf 131
Prove that the A LNK, the A NVK, and the square MNPK areequal in area. 5. Prove that KVWH is a square with vertex V on HO. 6. If AB = Z, find the area of (1) ALKH; (2) AENL;(3) HKLNEO; (4) the entire figure Gf7FH^i//<rLiV etc. 7. If ^B = a, find the above areas. 5a2 11 a2 ^-(Dfe; (2)^; 0)^; (4)… … EXERCISE 31. If A.Y = ^ and AB = a, find the area of (1) circle KLMNand (2) &gm-e AELK. Am. (1) ||; (2) ^(8-t). 2. If AA ^A and AB = a, find the above areas. Ans.(l)-^; (2)2^8(18--). AX 3. If AA =—— and AB = a, find the above areas.n Ans. (1) f^: (2) 8n2 32 n ,(2n^-^). 4. Find the ratio —- if…
Geometry · Decoration and ornament
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