3. In Fig. 6.15, Z PQR = 2 PRQ, then prove that
Z PQS = Z PRT.
Answers
Answered by
13
Answer:
∠PQS = ∠PRT
Step-by-step explanation:
ST is a straight line and sum of angle in linear pair always equal to 180
∠PQS + ∠PQR = 180° … (1)
And
∠PRT + ∠PRQ = 180° … (2)
From equation (1) and (2).we get:
∠PQS + ∠PQR = ∠PRT + ∠PRQ … (3)
But given that ∠PQR = ∠PRQ
Plug the value we get
∠PQS + ∠PRQ =∠PRT + ∠PRQ
∠PQS = ∠PRT + ∠PRQ - ∠PRQ
∠PQS = ∠PRT
Hence proved..
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Answered by
3
Question :-
In figure, ∠PQR = ∠PRQ, then prove that ∠PQS = ∠PRT.
Answer :-
ST is a straight line.
∴ ∠PQR + ∠PQS = 180° …(1) [Linear pair]
Similarly, ∠PRT + ∠PRQ = 180° …(2) [Linear Pair]
From (1) and (2), we have
∠PQS + ∠PQR = ∠PRT + ∠PRQ
But ∠PQR = ∠PRQ [Given]
∴ ∠PQS = ∠PRT
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