Two walls and a ceiling of a room meet at right angles at a point P. A fly is in the air 1 m from one wall, 8 m from the other wall and 9 m from the point P. How many meters is the fly from the ceiling?
(a) 4 (b) 6
(c) 12 (d) 15
Негізгі бет Civil Services 2017_Qn A75, Two walls and a ceiling of a room meet at right angles
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Пікірлер: 13