Math, asked by ashishnegi2152, 1 year ago

A tetrahedron has vertices at o (0, 0, 0), a (1, 2, 1), b (2, 1, 3) and c (- 1, 1, 2). the angle between the faces oab and abc will be

Answers

Answered by krsna14
1
HELLO,
AS IT IS A TETRAHEDRON SHAPE.
AFTER REGULAR PROCESS WE WILL KNOW THAT THE ANGLE BETWEEN THEM IS 109 DEGREES.
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HOPE THIS HELPS YOU
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