The angles marked in the diagram above are measured in degrees. Find x

Assessment: WAEC SSCE - General Mathematics - 1992 (Objective) Subject: General Mathematics

Question 1 Report

The angles marked in the diagram above are measured in degrees. Find x

Answer Details
In the given diagram, we have a triangle with two sides of equal length, which means that the angles opposite these sides are also equal. Thus, we can conclude that: 4x - 6 = 3x + 12 (using the fact that angles in a triangle add up to 180 degrees) x = 18 Therefore, the value of x is 18 degrees. Answer: (b) 24°.
Read lesson note on Angles And Intercepts On Parallel Lines (WAEC)
Read lesson note on Angles (WAEC)
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