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Answers
1. if two lines intersect at a point , then the vertically opposite angles are always ______
→ equal
2. two angles forming a linear pair are _____
→ supplementary
3. a line that intersect two or more lines at a distinct points is called?
→ transversal
4. if two adjacent angles are supplementary, then they form _____
→ linear pair
5. if two angles are supplementary then the sum of their measure is _____
→ 180°
6. if the two angles are complementary then the sum of their measure is _____
→ 90°
7. if L ll M, then angle 1 = angle 2 because they are _____
→ corresponding angles
notice : the picture of question no. 8 is not complete
hope it helps you ^_^
Explanation:
1.If two lines intersect at a point then the vertically opposite angles are always equal.
2.
Two angles are forming a linear pair then they are supplementary angles to each other.
3.
The line that intersect two or more liens at distinct points is called a transversal.
4.
Two adjacent angles are supplementary then they form a linear pair of angles .
5.
If two angles are supplementary then the sum of their measure of the angles is 180°
6.
If two angles are complementary then the sum of their measure of the angles is 90°
7.
If l || m then <1 = < 2
since they are alternative interior angles.
8.The alternative interior angles in the given figure are <1 and <2