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Question

Find the number of acute angles formed in the figure given below. [2 Marks]

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Solution

There are 3 acute angles in the central triangle, 2 each in the right-angled triangles, and 2 acute angles in the triangle on top. [1 mark]
So, 3 + 2 + 2 + 2 = 9 acute angles in total. [1 mark]

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