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Mathematics
8. Lines and Angles
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Q7 of 115 Page 8

How many pairs of adjacent angles, in all, can you name in Fig. 8.36.

Pairs of adjacent angles are:

∠EOC, ∠DOC


∠EOD, ∠DOB


∠DOC, ∠COB


∠EOD, ∠DOA


∠DOC, ∠COA


∠BOC, ∠BOA


∠BOA, ∠BOD


∠BOA, ∠BOE


∠EOC, ∠COA


∠EOC, ∠COB


Hence, ten pairs of adjacent angles.


More from this chapter

All 115 →
5

In Fig. 8.35, ∠AOC and ∠BOC form a linear pair. If a -2b = 30°, find a and b.

6

How many pairs of adjacent angles are formed when two lines intersect in a point?

8

In Fig. 8.37, determine the value of x.

9

In Fig. 8.38, AOC is a line, find x.

Questions · 115
8. Lines and Angles
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