Solve abc if b 18 c 142 and b 20
Webc 2 = a 2 + b 2 - 2ab * cos (C) Once you have the length of the third side, you can use the Law of Sines to find the remaining angles (A and B) as: a/sin (A) = b/sin (B) = c/sin (C) = 2R. … WebApr 12, 2024 · B= 70° C= 70° the triangle is Isosceles triangle meaning two sides are equal , angle B = angle C. side b= side c . using Sine Rule . a/sin A = b/Sin B. 20/sin 40 = b/sin 70. sin 40 = 0.6427. sin 70 = 0.93969. 20/0.6427 = b/ 0.93969. cross multiply . 20 x 0.93969 = 0.6427b. 18.7938=0.6427b. b = 18.7938/0.6427. b = 29.2419≈29.2. side b= side ...
Solve abc if b 18 c 142 and b 20
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WebSolve triangle ABC if a = 12, b= 18, c = 14. ZA = 88.271°, ZB = 49.977°, ZC = 41.752° ZA = 40.752º. ZB = 51.977°, ZC = 87.271° ZA = 41.752°, ZB = 87.271°, 2C = 50.977° Previous … WebNov 15, 2024 · 2. You can solve this directly using the method of Lagrange multipliers: the critical points are solutions to. ( 2 + a) ( 2 + b) + λ a b = 0 ( 2 + a) ( 2 + c) + λ a c = 0 ( 2 + b) …
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WebB C NOT TO SCALE The diagram shows a shape made from an equilateral triangle ABC and a sector of a circle. Points B and C lie on the circle, centre A. The side length of the … WebApr 14, 2024 · Find an answer to your question There are two possible triangles with the measures given for triangle ABC. b = 20.2, c = 18.3, ... And solve for B: B = sin⁻¹(20.2 × sin38 / 18.3) ... 43° and 137° and both can be angles of a triangle (B + C < 180°). Therefore, the correct answer is ...
WebCalculate the drop in the water level of the lake when the gates are open for 20 minutes. Give your answer in centimetres. [1 hectare = 10 4 m 2 , 1000 litres = 1 m 3 ]
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