Solve each of the following problems by using two variables.
In ∆ABC, ∠A = xº, ∠B = 3xº and ∠C = yº. If 3y - 5x = 30. Prove that the triangle is right angled.
(linear equation in one variable)(9std)
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Solve each of the following problems by using two variables.
In ∆ABC, ∠A = xº, ∠B = 3xº and ∠C = yº. If 3y - 5x = 30. Prove that the triangle is right angled.
(linear equation in one variable)(9std)
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