Percentages + planimetrics - practice problems - last page
Number of problems found: 203
- Magnification of the square
If we increase the square side, increase the area of the 70 %. About what percentage was increased on its side? - Glass mosaic
How many dm² glasses are necessary to produce 97 slides of a regular 6-gon, whose side has a length 21 cm? Assume that cutting glass waste is 10%. - Window
Peter demolish a box hole in the wall for the window frame 147×51 cm. When they come, they will find a master-fitted frame and window that glass is 13.3 cm from the hole in each direction. Calculate how much percent less light enters the window than
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