First step is to show that the triangle having side length of 3 units and 2 units is an isosceles triangle. this enable us to find the base angle of this triangle. The second step is to adjacent base angle of a triangle having side length of 4 units and 3 units by considering cyclic quadraliteral form. Use cosine rule to find the remaining base angle of a triangle having side length of 4 units and 3 units in order to find the apex angle of a triangle with side length, x and base length 2 units. Finally, use sine rule to find the value of x.
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22 июн 2024
