Sas triangle12/4/2023 ![]() ![]() Thus, we will choose angle B and apply law of sines, Step 2: To find the value of the smaller angle, we will use the law of sinesĪngle B is smaller than Angle C as Angle B is opposite to the shorter side. Step 1: To find the value of 'a' let us use the Law of Cosines Let us follow the steps of the side angle side formula: Let us name side AB as c, and side AC as b Given: side 1 = 5 cm, side 2 = 10 cm, sin (included angle) = sin 30° = 1/2Īnswer: Thus, the area of the triangle is 12.5 cm 2Įxample 2: In the triangle shown below, find all the dimensions using the side angle side formula. We know that the side angle side formula is given as: Math will no longer be a tough subject, especially when you understand the concepts through visualizations with Cuemath.īook a Free Trial Class Examples Using Side Angle Side FormulaĮxample 1: What will be the area of a triangle whose sides are of length 5 cm and 10 cm and its included angle is 30°? ![]() Let us work on some problems to understand the side angle side formula. Therefore, the side angle side formula or the area of the triangle using the SAS formula = 1/2 × a × b × sin c
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