tolong jwb yg d sama yg e

Materi : Bangun Datar
Kelas : V SD

Dik :
d) L = 706,25 cm
Π = 3,14
e) d = 15cm
Ditanya :
d) d..? r...? kll...?
e) r..? Π...? kll...? L..?
Jawab :
d) L = Π x r²
706,25 = 3,14 x r²
r² = 224,9
r = √224,9
r = 15 cm

d = 2 x r
d = 2 x 15 = 30 cm

kll = Π x d
kll = 3,14 x 30 = 94,2 cm

e) r = 1/2 x d
r = 1/2 x 15 cm = 7,5 cm

Π = 3,14

kll = Π x d
= 3,14 x 15 = 47,1 cm

L = Π x r²
L = 3,14 x 7,5 x 7,5
L = 176,625 cm²

Semoga membantuu :)
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