Step-by-step explanation:
what is not clear that you cannot answer this by yourself ?
please let me know what you need explained.
1. Rhombus
2. rectangle
3. square
4. rhombus
5. square
6. rectangle
7. rhombus
8. parallelogram
use the formula 2πr
- 106.76
- 300.96
- 2×3.14×(1/2)×39 = 122.46
- 78.5
the c bit I did the whole process cuz the diameter is given and for the d bit i thought what you were trying to say is 25 diameter.
hope it helps and don't forget to put the units wherever necessary.!!!!
20 times 9 times 5 equals 900