tentukan luas permukaan gambar berikut !!
(yang ngasal awas )
(yang ngasal awas )
Luas permukaan bola
=4×phi×r²
=4×22/7×14×14
=4×22×2×14
=4×44×14
=4×616
=2.464
100 Hikes / Travel Guide: Eastern Oregon (100 Hikes, Oregon)
100 Hikes / Travel Guide: Eastern Oregon (100 Hikes, Oregon)
Luas permukaan bola
=4×phi×r²
=4×22/7×14×14
=4×22×2×14
=4×44×14
=4×616
=2.464