tolong jawab +caranya no 9-10 plisss

9. keliling = 25+25+30+38+30+38 = 186 cm

jawaban D

10. diameter kolam=14 m
diameter kolam + pagar =
14 m + 3,5 m + 3,5 m = 21 m

keliling pagar = phi × diameter
= 22/7 × 21 m = 66 m


jawaban C

9. K layang2=25+25=50
k jajar = 2×(30+30)
=2×68=136

jd Kelilingnya 50+136=186

maaf yg no 10 ga tau