Question

please answer this question​

Answer 1

Answer:

2.9 cm is the answer

Step-by-step explanation:

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Answer 2

Answer:

2.9 cm

Step-by-step explanation:

We know that the length of diagonals of square are equal. So AC = BD. We also know that the diagonals of square bisect each other perpendicularly. So,

OA = ½AC

→ OA = ½ × 5.8 cm [AC = BD]

→ OA = 2.9 cm

So OA = 2.9 cm.

Thanks!