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Area of trapezium is 153m₂ and altitude is 9m and one of the bases is 13m long. The measure of other base is _____?

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Area of trapezium is 153m₂ and altitude is 9m and one of the bases is 13m long. The measure of other base is _____? Answer: 21m

The area of a trapezium is given by 1/2×(b+b₂​)×h.By substituting the known values,the unknown base is calculated as 21 m.

Question context

This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the ETEA Educational Testing and Evaluation Agency preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.