WebWhen using similar triangles, their sides are proportional. If two triangles have two congruent angles, then the triangles are similar. So, if you have a 30-60-90 triangle then … WebAnswer (1 of 4): This is a very simple problem of SOT , provided u know the formulae… We know that cos(C/2) =√(s)(s-c)/(ab) , a+b+c=2s and a+b-c = 2s-2c So the given problem simplfies to the following (2s) × (2s-2c) = ab (s)(s-c)/(ab) = 1/4 Cos²(C/2) = 1/4 Cos(C/2) = ± 1/2 Therefore angle ...
In a triangle ABC if cos A + 2cos B + cos C = 2, the sides
WebMay 11, 2024 · High School. answered • expert verified. The following figure shows \triangle ABC ABCtriangle, A, B, C with side lengths to the nearest tenth. Triangle ABC. Side AC … WebDec 16, 2015 · The triangle inequality states that for any triangle, the sum of the lengths of any two sides must be greater than or equal to the length of the remaining side. Calculation: Given: a, b, c are the sides of a triangle ABC. Since, a, b, c are positive numbers. ⇒ a 1/p, b 1/p, c 1/p are positive numbers. ...(∵ p > 1) ear pinna seborrhea in dogs
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WebThe law of cosine helps in finding the unknown measures of a triangle. Answer: The law of cosine states that when all three sides of a triangle are given, we can easily find all the possible angles of the triangle. Let's understand the concept. Explanation: Let's observe the triangle ABC with angles A, B and C and sides a, b and c as shown below. WebApr 3, 2024 · Click here 👆 to get an answer to your question ️ If the angles A, B, C of a triangle are in A.P.and sides a, b, ... are in Gp then , Theorem : In any ∆ABC, Given 3 sides but no angle, this form is more convenient: Solution: it is given that ∠A, ∠B and ∠C are in Ap . WebApr 11, 2024 · 2b = 3c ----------- (1) ∵ a, b, c are in GP. ⇒ b 2 = ac ----------- (2) From equation 1 and 2 we get. 9c = 4a. a:b:c = 9:2:4. As we know that, for obtuse triangle the sum of the … cta bus 15