Penjelasan dengan langkah-langkah:
14.
Diket. Pi = 3,14 & r = 20/2 = 10
= 2× 3,14×10
= 62,8 cm
13. Lbelahketupat = 1/2 × diagoal1× diagonal2
= 1/2 × 24× 18
= 1/2× 432
= 216 cm^2
smga bsa mmbntu
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Penjelasan dengan langkah-langkah:
14.
Diket. Pi = 3,14 & r = 20/2 = 10
= 2× 3,14×10
= 62,8 cm
13. Lbelahketupat = 1/2 × diagoal1× diagonal2
= 1/2 × 24× 18
= 1/2× 432
= 216 cm^2
smga bsa mmbntu