pyq/2017/csat/75
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
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