4 JEE Main 2021 Properties of Triangles previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2021 previous-year questions from the Properties of Triangles chapter of Mathematics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Properties of Triangles chapter hub.
If in a triangle A B C ,   A B = 5 units, ∠ B = cos - 1 3 5 and radius of circumcircle of ∆ A B C is 5…
Let in a right angled triangle, the smallest angle be θ . If a triangle formed by taking the reciprocal of its sid…
In ΔABC , the lengths of sides A C and A B are 12   cm and 5   cm , respectively. If the area of ∆…
Let sin A sin B = sin ( A - C ) sin ( C - B ) , where A ,   B ,   C are angles of a triangle A B C . If the l…