Question

3. In the given figure, PS || QR and _Q = 90°. Find the length of QR
P
21 cm
S
29 cm
20 cm
R.​

Answer 1

Answer:

42 cm is the answer

Step-by-step explanation:

draw SO perpendicular to QR

BY PYTHAGORAS THEOREM;

OR=21 cm

QR=QO+OR

=21+21=42

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Answer 2

Answer:

42cm in the answer .........

Step-by-step explanation:

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