Question

 If a Quadrilateral ABCD, ∠A = 90∘ and AB = BC = CD = DA, Then ABCD is a * Parallelogram Triangle Square Rectangle

Answer 1

Answer:

ANSWER

ABCD is a quadrilateral in which all 4 sides are equal.

Any quadrilateral having all 4 sides equal is called a rhombus.

However, in a rhombus the measures of the angles can be anything other than 90deg.

Since 1 angle of the quad ABCD is 90deg, then remaining will also be 90deg because the sides are of equal lengths.

Hence the rhombus now becomes a square.

Answer 2

Step-by-step explanation:

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