Question

ENRICHMENT QUESTION
Observe the following letters of English alphabet.

We find a linear pair of angles in letter E and vertically opposite angles in letter X.


Now, make a list of letters of English alphabet which have linear pair and vertically
opposite angles. Colour linear pair with green and vertically opposite angles with
orange.​

Answer 1

Answer:

(a) Yes.

(b) No.

(c) Yes

(d) Yes.

(e) Yes

Step-by-step explanation:

In the figure given,

(a) Yes. ∠1 is adjacent to ∠2 because arm AO is adjacent to arm OC.

(b) No.  >∠AOC is not adjacent to ∠AOE because ∠AOC is inside ∠AOE.

(c) Yes. ∠COE and ∠EOD form a linear pair because we can see that CD is a straight line.

(d) Yes. ∠BOD and ∠DOA are supplementary angles because angle between them is 180  

∘

.

(e) Yes. ∠1 is vertically opposite to ∠4 because AB and CD are straight lines.

(f) ∠2+∠3 are vertically opposite to ∠5 because AB and DC are straight lines which intersect at O.

Answer 2

Step-by-step explanation:

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