Name the Strictly Convex Deltahedra

Everybody loves deltahedra! That is, a 3-D solid whose faces are all equilateral triangles. A strictly convex deltahedron is one whose edges always curve inward (i.e. they are round; as opposed to concave where they curve outwards). Strictly convex means that no two faces can be coplanar.
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Quiz by QuantumMechanist
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Last updated: June 21, 2020
 First submitted November 27, 2019 Times taken 188 Rating 5.00 Report this quiz Report
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+4
Level 48
Mar 22, 2020
Great Quiz! I appreciate that "square bipyramid" also works for octahedron. 5 stars!
+15
Level 62
Aug 4, 2020
You know I was just discussing the disturbing lack of convex polyhedra oriented quizzes on this website before I saw this quiz. I like it!
+1
Level 66
Aug 4, 2020
That's what I'm here for. Thanks!
+5
Level 74
Aug 5, 2020
Nominated. Just beautiful.
+2
Level 66
Aug 5, 2020
Geometry is always beautiful.
+4
Level 62
Aug 5, 2020
I have disappointed Euclid :(
+8
Level 69
Aug 9, 2020
Glad that "gyroelongated pentagonal bipyramid" is accepted for icosahedron
+1
Level 66
Aug 9, 2020
Wouldn't want to exclude!
+2
Level 21
Nov 4, 2020
I didn't know that you were only allowed limited nominations but I used up one of these on this. Not complaining though :)
+2
Level 45
Nov 12, 2020
7/8, couldn't type Gyroelongated Square Bipyramid if my life depended on it. Thanks V-Sauce!
+2
Level 51
Mar 3, 2021
Oh no
+2
Level 66
Apr 14, 2021
The only reason I got any of these is because of this song I learned in elementary school!

"We have the tetrahedron, the cube, the octahedron to the dodecahedron and icosahedron cuz of you!"

+1
Level 41
Apr 15, 2021
ðŸ˜­ I suddenly hate geometry
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