luas lingkaran :
22/7 × 14 × 14
= 44 × 14
= 616 cm2
luas juring :
90/360 × 616
=1/4 × 616
= 154 cm2
luas segitiga
1/2× a×t
=1/2 × 14 × 14
= 7× 14
= 98 cm2
luas tembereng
154 - 98 = 56 cm2
smoga membantu , maaf kalau semisal salah..
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luas lingkaran :
22/7 × 14 × 14
= 44 × 14
= 616 cm2
luas juring :
90/360 × 616
=1/4 × 616
= 154 cm2
luas segitiga
1/2× a×t
=1/2 × 14 × 14
= 7× 14
= 98 cm2
luas tembereng
154 - 98 = 56 cm2
smoga membantu , maaf kalau semisal salah..