Question

17. If the sum of two angles is equal to 900
, then the angles are called __________
A) Complementary angles. B) Supplementary angles
C) Vertically opposite angles D) None
18. A line which intersects two or more lines at distinct points is called a __________ to the lines.
A) Vertically opposite angles B) Linear pair C) transeveral D) None
19. If 9x = 81, then x = __________
A) 729 B) 72 C) 9 D) 90
20. If the pair of alternate interior angles are equal then the lines are__________
A) Parallel B) Perpendicular C) Intersecting D) None
21. In  ABC, D is the midpoint of BC . AD is the
A) Median B) Altitude C) Vertex D) None
22. From the adjacent triangle value of x =__________
500
700
x
A) 300 B) 400 C) 500 D) 60​

Answer 1

Answer:

1. 'complementary angles'.

2. transversal

3. 9

4. parallel

5. Median

6. 500

Step-by-step explanation:

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