Gaku is my best friend.

He has a deep interest in archaeology.

He is good at geometry.

Differential geometry is a field of mathematics that studies geometric objects such as curves and surfaces using differential and integral calculus.

Understanding geometric series is important in learning the basics of advanced mathematics.

I am reading Euclid's Elements and learning the basics of Euclidean geometry.

Please calculate the geometric mean of this dataset.

Her dress was adorned with beautiful geometric patterns.

He is good at solving problems related to geometric sequences.

I learned about geometric isomerism in organic chemistry class.