Xis 1 km northeast of Y. Yis 1 km southeast of Z.
Wis 1 km west of Z. Pis 1 km south of W. Q is
1 km east of P. What is the distance between X
and Q in km?
(A) 1
(b) √2
(c) √3
(d) 2
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1
Answer:
c]
Explanation:
Pythagoras theorem] zQ=1 Given
⇒ Considering ZQX, which is right angle , is
⇒ Qx2 = ZQ2 + Zx2
= 1+2−−−−√=3√
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