A) equilateral triangle
B) isosceles
C) right angled triangle
D) None of these
Correct Answer: C
Solution :
Here, \[A{{D}^{2}}=A{{B}^{2}}+B{{C}^{2}}+C{{D}^{2}}\] \[A{{D}^{2}}=A{{C}^{2}}+D{{C}^{2}}\] \[\therefore \]\[\Delta ACD\]is a right angled triangle.You need to login to perform this action.
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