Complementary Angles 72-18 Small 320×320 Medium 640×640 Large 1024×1024 Download Tiff Original 3000×3000 | (180.5 KB) Download EPS Vector 359.9 KB Description Complementary angles 72 degrees and 18 degrees Keywords 90 degrees, add, right, sum Galleries Complementary Angles Source: Florida Center for Instructional Technology Clipart ETC (Tampa, FL: University of South Florida, 2009)