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11 Dec 2019
What is the cross-section formed by a plane that contains a vertical line of symmetry for a tetrahedron?
A. triangle
B. square
C. rectangle
D. pentagon
What is the cross-section formed by a plane that contains a vertical line of symmetry for a tetrahedron?
A. triangle
B. square
C. rectangle
D. pentagon
Read by 1 person
Mary RamoyLv10
4 Nov 2020
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