Question

the word decagon contains the root dec. what does the root dec mean? ten one hundred bend or curve shape submit

Explanation:

The root dec- comes from Latin/Greek and denotes the number ten. A decagon is a ten-sided polygon, confirming this definition. "One hundred" matches the root cent-, "bend or curve" matches flect-/flex-, and "shape" matches morph-/form-.

Answer:

A. ten