'Sss triangles' presentation slideshows

Drawing Triangles

Drawing Triangles. Using a Protractor. SAS triangles. ASA triangles. www.mathsrevision.com. SSS triangles. 80 o. Q3. Calculate the missing angles. (SAS) Starter Questions. Q1. Convert the percentages to fractions. (a) 30%. (b) 60%. Q2. Write down all the factors of 16.

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The Law of Cosines

The Law of Cosines. Let's consider types of triangles with the three pieces of information shown below. We can't use the Law of Sines on these because we don't have an angle and a side opposite it. We need another method for SAS and SSS triangles. SAS. AAA.

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3.2

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Law of Cosines

Law of Cosines. Solve SAS Triangles Solve SSS Triangles Solve Applied Problems. Law of Cosines . Case 3: Two sides and the included angle are known Case 4: Three sides are known For a triangle with sides a, b, and c and opposite angles A, B, and C respectively. Solving a triangle (SAS).

176 views • 6 slides