The sides of a right-angled triangle are 12 cm, 16 cm, 20 cm respectively. A new right angle Δ is made by joining the midpoints of all the sides. This process continues for infinite then calculate the sum of the areas of all the triangles so made.
Solution
Correct Answer: Option B
Area = \(\frac12\times12\times16\) =96
Sum of Area =\(\frac{96}{1-{\displaystyle\frac14}}\) = 128
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