My garden is in the form of a square.

我的花园是方形的。

youdao

The farm buildings form three sides of a square.

这几栋农舍构成一个正方形的三个边。

《牛津词典》

The painted murals in the Dunhuang Grottoes along the ancient Silk Road in China form the world's longest painted corridor, with a total of 45,000 square metres of painted murals.

中国丝绸古道上的敦煌莫高窟内的壁画是世界最长的石窟画廊。 窟内有壁画45,000余平方米。

《新英汉大辞典》

And there was a problem nearby in the form of Delta 201, a 2, 000 square-mile danger area over Cardigan Bay that is used as a military range.

ECONOMIST: A small Welsh airport has become an unlikely tech cluster

The weight of the building is supported entirely by 12 stout outer columns, which form the square perimeter of the building, plus four inner columns at the corners of a smaller, inner square.

ECONOMIST: AN ENGINEERING MYSTERY

This forced us to ask an important question: If some form of renewable energies are found in every square inch of the planet, why would we only concentrate them in a few central points?

FORBES: Jeremy Rifkin's Third Industrial Revolution