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Math·Geometry and Trigonometry·Lines, angles, and triangles

easy

The length of each side of triangle A is $490$ millimeters. The length of each side of triangle B is double the length of each side of triangle A. What is the length, in millimeters, of each side of triangle B?

A

$490$

B

$492$

C

$980$

D

$1,960$