Question

Prove that if one angle of a rhombus is a right angle, the rhombus is a square.​

Answer 1

Answer:

Consider the 2 properties of Rhombus

(1) Opposite angles are equal

(2) Adjacent Angle sum is 180  

Let us consider ABCD as Rhombus

Let ∠A be 90

By property (1) ∠C=90  

By property (2) ∠B,∠D=90  

hence proved

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