This is part of a piece of jewellery. It is made out of a metal plate base, and gold plated wire (of negligible thickness) runs around the outside.

What is the area covered by the metal plate base?

Give your answer correct to two decimal places.
Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
Question: This is part of a piece of jewellery. It is made out of a metal plate base, and gold plated wire (of negligible thickness) runs around the outside.

What is the area covered by the metal plate base?

Give your answer correct to two decimal places.
Please first conduct reasoning, and then answer the question and provide the final value, e.g., 1, 2.5, 300, at the end.
Question: This is part of a piece of jewellery. It is made out of a metal plate base, and gold plated wire (of negligible thickness) runs around the outside.

What is the area covered by the metal plate base?

Give your answer correct to two decimal places.