Question

1. 25 cm
2. 21 cm
3. 46 cm
4. 55 cm
5. 80 cm
6. 30 cm
7. 75 cm
8. 60 cm
9. 92 cm
10. 100 cm
dengan cara nya ya plis soslnya aku gak ngerti

Answer 1

1.= 3,14 x 12,5 cm x 12,5 cm
= 490,625 cm²
2. = 22/7 x 10,5 cm x 10,5 cm
= 346,5 cm²
3. = 3,14 x 23 cm x 23 cm
= 1.661,06 cm²
4. = 3,14 x 27,5 cm x 27,5 cm
= 2.374,625 cm²
5. = 3,14 x 40 cm x 40 cm
= 5.024 cm²
6. = 3,14 x 15 cm x 15 cm
= 706,5 cm²
7. = 3,14 x 37,5 cm x 37,5 cm
= 4.415,625 cm²
8. = 3,14 x 30 cm x 30 cm
= 2.826 cm²
9. = 3,14 x 46 cm x 46 cm
= 6.644,24 cm²
10. = 3,14 x 50 cm x 50 cm
= 7850 cm²