[size=200][color=#0000ff]Written Work - copy into your book.[/color][/size][br][br]Enlargements happen when the scale factor is greater than 1 ( so the image is bigger than the original)[br][br][url=https://schoolsnsw-my.sharepoint.com/:i:/g/personal/marc_azara_det_nsw_edu_au/EdXPq0Eh0cpGjnZuSfsRfDABL75qlfi9_eqksnBs-BEFCQ?e=IzQVDd][color=#9900ff]LINK to enlargement sample[/color][/url][br][br]Reductions occur when the scale factor is less than 1.[br][br][url=https://schoolsnsw-my.sharepoint.com/:i:/g/personal/marc_azara_det_nsw_edu_au/Ed692T_YZB1LtRSOMeyOb-IBAc_78LHu1nxwQ1vSopY76w?e=PEdeAV][color=#9900ff]LINK to reduction sample[/color][/url][br][br]

Use the Geoigebra actiivity below to try to predict the image lengths for a scale factor of 2, 3 ,4 and 0.5.

Can you work out the length of the unknown side, marked "n" in the similar shapes below?