231,3 cm
Penjelasan dengan langkah-langkah:
d = 90 cm
L stengah lingkaran
= 1/2 K + d
= 1/2 x 3,14 x 90 + 90
= 141,3 + 90
= 231,3 cm
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231,3 cm
Penjelasan dengan langkah-langkah:
d = 90 cm
L stengah lingkaran
= 1/2 K + d
= 1/2 x 3,14 x 90 + 90
= 141,3 + 90
= 231,3 cm