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A three sided, three angled, closed plane figure (noun)
USA Today Rootonym clue · 8 letters · last seen October 17, 2026
Answer
TRIANGLE
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The Root
ANGmeans “a corner, angle”
In a sentence: Susan planted flowers in a decorative TRIANGLE in the center of her backyard.
About this clue
The Rootonym clue “A three sided, three angled, closed plane figure (noun)” has the answer TRIANGLE (8 letters), built on the root ANG, which means “a corner, angle”. See the full October 17, 2026 Rootonym puzzle for the other three words, or browse all Rootonym answers.
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