1. The lines which do not interested each other is known as parallel lines
2. 12 angles can be formed when three parallel lines are cut by transversal
3. a)
adjacent angles = sum of measure of angle will not be 180°
but linear pair = sum of measure of angles is 180°
b)
Supplementary angles =any angles with sum is 180°
complementary angles = any angles with sum is 90°
c)
acute angle = the measure of angle less than 90°
I. e it lies between measure 0°< 90°
obtuse angle = the measure of angles greater than 90°
i. e. it lies between measure 90°< 180°
4). transversal is a ray which passes through two or more parallel lines
hope it helps.!
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Answers & Comments
1. The lines which do not interested each other is known as parallel lines
2. 12 angles can be formed when three parallel lines are cut by transversal
3. a)
adjacent angles = sum of measure of angle will not be 180°
but linear pair = sum of measure of angles is 180°
b)
Supplementary angles =any angles with sum is 180°
complementary angles = any angles with sum is 90°
c)
acute angle = the measure of angle less than 90°
I. e it lies between measure 0°< 90°
obtuse angle = the measure of angles greater than 90°
i. e. it lies between measure 90°< 180°
4). transversal is a ray which passes through two or more parallel lines
hope it helps.!