Question

if one of the angles of formed by two intersecting lines is a right angle then the lines are. to each other
please help me ​

Answer 1

Answer:

the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.