JAMB Mathematics 2025 Objective — Question 7
Question 7 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2025 Objective paper, with the correct answer and a full explanation.
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A triangle has three sides 13cm, 14cm and 15cm. Find the area of the triangle.
- A. 72cm²
- B. 104cm²
- C. 95cm²
- D. 84cm²Correct
Explanation
Using Heron's formula, s=21. Area=√(21×8×7×6)=√7056=84cm².
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