A room is 12 m long, 9 m wide and 8 m high. What is maximum length of a rod that can be kept in the room ?
17m
16m
15m
14m
A.
Maximum length of rod= Length of diagonal= 122 + 92 + 82= 144 + 81 + 64= 289= 17m
If two complementary angles are in the ratio 2 : 3, then angles will be
25°, 65°
108°, 72°
36°, 54°
40°, 60°