Sagot :
Answer:
5.B 314 cm²
6.A 530 cm²
Step-by-step explanation:
pa brain liest
Answer:
5. B
6. A
Step-by-step explanation:
5. r = d/2
= 20cm/2
= 10cm
A = πr²
= (3.14)(10cm)²
= (3.14)(100cm²)
= 314cm²
6. r = d/2
= 26cm/2
= 13cm
A = πr²
= (3.14)(13cm)²
= (3.14)(169cm²)
= 530.66cm²