perimeter
<img width="125" height="100" src="https://scienceres-edcp-educ.sites.olt.ubc.ca/files/2012/08/sec_math_geometry_dimensions-125x100.jpg" class="attachment-post-thumbnail size-post-thumbnail wp-post-image" alt="" decoding="async" />
Dimensions
<img width="125" height="100" src="https://scienceres-edcp-educ.sites.olt.ubc.ca/files/2012/07/elem_math_shape_perimeterRectangles-125x100.jpg" class="attachment-post-thumbnail size-post-thumbnail wp-post-image" alt="" decoding="async" loading="lazy" />