Properties of Triangle

JEE Main Mathematics · 2 questions

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• In a triangle ABC, BC=7, AC=8, AB=α ∈ N and cos A=2/3. If 49 cos (3 C)+42=m/n, where gcd(m, n)=1, then m+n is equal to ____.20246 April, Shift 2 · Q30
• A circle is inscribed in an equilateral triangle of side of length 12. If the area and perimeter of any square inscribed in this…20246 April, Shift 1 · Q15