Twelve sticks, each of length 1 unit, are used to form a right-angled triangle. The area of the triangle is:
Show answer & explanation
Correct answer: D
Explanation
Correct Answer is option 4 i.e. 6 sq units
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Concept |
Understanding |
Application |
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Pythagoras theorem |
Given Total length of 12 sticks = 12 unit So, Perimeter of triangle = 12 unit |
P + B + H = 12 Only possible triplet is: H = 5, B = 4, P = 3 Hence, Area = ½ × B × H = ½ × 4 × 3 = 6 unit2 |