Question

Fill in the blanks
1. If two angles are complementary, then the sum of their measures is _______

2. If two angles are supplementary, then the sum of their measures is _______

3. Two angles forming a linear pair are _______

4. If two adjacent angles are supplementary, they form a If two lines intersect at a point, then the vertically opposite angles are always __________

5. If two lines intersect at a point, and if one pair of vertically opposite angles are acute angles, then the other pair of vertically opposite angles are ________

Answer 1

Answer:

1. supplementary

2.supplementary

3.complementary

4.equal

5.opposite

Answer 2

Answer:

1. If two angles are complementary, then the sum of their measures is 90°  

2. If two angles are supplementary, then the sum of their measures is 180°

3. Two angles forming a linear pair are supplementary

4. If two adjacent angles are supplementary, they form a linear pair

If two lines intersect at a point, then the vertically opposite angles are always equal

5. If two lines intersect at a point, and if one pair of vertically opposite angles are acute angles, then the other pair of vertically opposite angles are obtuse angle