# School Знания.com would Ask a question from the school subject Kurlykk 5 - 9 classes Mathematics 5+3 What of the following statements are true: 1) through this point to a straight line it is possible to carry out several perpendiculars; 2) perpendicular straight lines divide the plane into four right angles; 3) two crossed straight lines are always perpendicular; 4) through this point it is possible to draw only one straight line which is perpendicular to this straight line.

Adlerberg

95

2) perpendicular straight lines divide the plane into four right angles; and 4) through this point can draw only one straight line which is perpendicular to this straight line.

282

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Valeryan

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