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Published byJuan Francisco Villalba Carrasco Modified over 9 years ago
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Ejemplos:
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2 lados iguales y 1 ángulo a ^2= 1.20 ^2+1.30^2- 2(1.10)(1.30)cos30° a ^2= 0.65 a= 0.81 b 1.10 c 1.30 30° a a B B C C A A
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2 LADOS Y UN ANGULO 50 °+45°+C°= 180 C= 85 b = a sen O Sen A 1.20 = a Sen85 sen 50 a= 0.92 1.20 = b Sen85 sen 45 b= 0.85 45° c 1.20 50° A A C C B B b b a a
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3 lados : <R= p^2+q^2-r^2 2pq <R= 0.8100+0.7225-1.1025 2(0.90)(0.85) <R=0.281 q o.85 r 1.05 p 0.90 R Q P
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2lados y un ángulo comprendido: c ^2= 0.70 ^2+0.65^2- 2(0.65)(0.70)cos100° c ^2= 1.07 c= 1.03 b 0.65 c 100° a 0.70 c B A
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