i want to get the solution

5. In 2017 the new pound coin was launched in the shape of a dodecagon. Using the outline of the pound coin, 6 congruent squares and 6 rhombuses are constructed as shown. Find the size of the angle indicated at the point of the star. [2] 6. Replace the digits A and B in the number below so that is is divisible by 45. Include all possible solutions. [4] 22, A2B 7. A solid cube of side 6 is constructed using smaller cubes of size 1x1x1. Once it is formed, how many of the smaller cubes are not visible by rotating the cube in any way? [3]