The height of a bookshelf is 30cm. Three dictoneries of thickness 6cm 4mm, 7cm 2mm and 5cm 5mm are placed one on top of the other on the shelf. how much space is left above the dictionaries ?
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The Space left above the dictionary is 10 cm 9 mm
Step-by-step explanation:
The height of a bookshelf = 30 cm
The thickness of the 1st dictionary = 6 cm 4 mm = 6.4 cm
2nd dictionary = 7 cm 2 mm = 7.2 cm
3rd dictionary = 5 cm 5 mm= 5.5 cm
Total Space covered for three dictionaries = 6.4 + 7.2 + 5.5 = 19.1 cm
The space left above the dictionaries = The height of bookshelf - total space covered by dictionaries
= 30 - 19.1
= 10.9 cm = 10 cm 9 mm
Thus, The Space left above the dictionary is 10 cm 9 mm
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Answer:
10cm 9mm space is left above the dictionaries
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