Question

*Which of these options must be true for a parallelogram to be a rhombus?* 1️⃣ Its adjacent sides must be equal 2️⃣ Its adjacent angles must be equal 3️⃣ One of the angles must be 90° 4️⃣ All the angles must be 90°​

Answer 1

1. Its adjacent sides must be equal

Answer 2

Answer:

2)it's adjacent sides must be equy