PSAT Math Question of the Day
Test your knowledge with a hand-picked multiple-choice question.
Refer to the above tetrahedron, or four-faced solid.The surface area of the tetrahedron is 444. Evaluate 
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Test your knowledge with a hand-picked multiple-choice question.
Refer to the above tetrahedron, or four-faced solid.The surface area of the tetrahedron is 444. Evaluate