Find the length of the longest rod which can be put in the room of measure 20m x 20m x 10m.
A25m
B40m
C35m
D30m
A25m
B40m
C35m
D30m
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The sides of triangles are 3cm, 4cm, and 5cm. At each vertex of the triangle, circles of radius 6 cm are drawn. What is the area of the triangle in sqcm, excluding the portion enclosed by circles? .