A Four-sided Figure, Consisting Of 2 Unequal Isosceles Triangles On Different Sides Of A Common Base, Vintage Line Drawing Or Engraving Illustration. Royalty Free SVG, Cliparts, Vectors, And Stock Illustration. Image 133361590.
A four sided triangle - Drawception
What is a 4-sided shape called? - Quora
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Four Sided Triangle — The After Movie Diner
FOUR-SIDED TRIANGLE | William F. Temple | First edition