the semi - vertical angle of the cone generated by revolving the lines x+y = 0 , z = 0 about the x - axis is ?

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2007-06-05 00:10:42 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

The SEMIvertical angle is 45 degrees

2007-06-05 02:59:27 · answer #1 · answered by santmann2002 7 · 0⤊ 1⤋

90 deg.

The angle between the line and the x axis is 45 deg. Hence the answer.

2007-06-05 08:08:25 · answer #2 · answered by ali j 2 · 0⤊ 0⤋

i don't understand your question,please rewrite this question

2007-06-05 08:07:37 · answer #3 · answered by chapani himanshu v 2 · 0⤊ 0⤋