Answer:
1) a
2) a
Step-by-step explanation:
Please see the attached pictures for the full solution.
250m² drawing a model or visualizing it would help
0.75+0.75=1.5
1.5+0.75=2.25
2.25+0.75=3.00
3.00+0.75=3.75
3.75+0.75=4.50
4.50+0.75=5.25