The base of a right-angled triangle is 24 cm and its hypotenuse is 25 cm. Find the area of the triangle.
A84 cm²CORRECT
B168 cm²
C300 cm²
D60 cm²
GCEMathematicsMensuration2023
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Why the answer is A, and why the others tempt you.
The height = √(25² − 24²) = √(625 − 576) = √49 = 7 cm. Area = ½ × base × height = ½ × 24 × 7 = 84 cm². Option B omits the ½ factor, option C uses the hypotenuse as the height, and option D uses an incorrect height value.
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