Question

Q.1 Fill in the blanks
1. If the measures of two adjacent angles at a point add up to 1800, they are known
as a _________________ pair.
2. If lines l and m are both perpendicular to line n, then line l and m are ______________ to
each other
3. The sum of the measures of all sides is known as _________________.
4. When a geometrical figure is exactly same as another figure the figures are said
to _________________.
5. If 3 points lie on the same line, they are known as _________________.
6. When two lines intersect to from an angle of 900 lines are _____________ to each
other.​

Answer 1

Answer:

1-Linear pair

2-Parallel

3-Perimeter

4-Congruent

5-Collinear

6-Perpendicular

Step-by-step explanation:

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