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How do we find the area of a right-angled triangle according to NCERT solutions for Class 9 Maths exercise 12.1?


Safeer PP 27th Dec, 2021
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Safeer PP 27th Dec, 2021

When the triangle is right-angled, we may use two sides containing the right angle as the base and height to apply the formula directly. these two sides are base and perpendicular

Area of a right-angled  triangle = 0.5 × perpendicular × base

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