A solution of sugar and water contains 5% sugar by weight. 30 kg water evaporates from the solution and now it contains 10% of sugar. Find the original quantity of sugar.
How many planes of symmetry does each shape have?
Geometric solids can have multiple planes of symmetry. For example, the rectangular prism below has three planes of symmetry. A cube has nine planes of symmetry. Three planes of symmetry are parallel to the surfaces and six planes of symmetry are diagonals.
- 03/05/2023