Question

Pliss.. kirim hari ini.. jangan ngawur y gaes yg ngawur gw report​

Answer 1

Jawaban:

10. r= 56 cm

keliling= 2πr= 2×22/7×56=44/7×56=352 cm (c)

11. r= 63 cm

keliling= 2πr=2×22/7×63=44/7×63=396 cm (a)

12. r=70

keliling= 2πr=2×22/7×70=44/7×70=440cm (b)

13. r=77

keliling=2πr=2×22/7×77=44/7×77=484 cm (a)

14. r=3,5

keliling= 2πr=2×22/7×3,5=154/7=22 cm (c)

16. r=56cm

luas= πr²= 22/7×56×56=176×56=9.856 cm (d)