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= 24 x 24
= 576 cm²
luas 2 = s x s
= 42 x 42
= 1764 cm²
luas gabungan = 1764 + 576
= 2340 cm²
2. luas 1 = ½ x a x t
= ½ x 58 x 34
= 986 cm²
luas 2 = p x l
= 58 x 52
= 3016 cm²
luas gabungan = 3016 + 986
= 4002 cm²
3. r = d : 2
= 28 : 2
= 14 cm
luas = π x r x r
=22/7 x 14 x 14
= 616 cm²
4. luas = π x r x r
= 3,14 x 10 x 10
= 314 cm²
5. r = d : 2
= 44 : 2
= 22 cm
luas = π x r x r
=3,14 x 22 x 22
= 1519,76 cm²
6. r = (akar² dari luas : π )
= 1386 : 22/7
= 1386 x 7/22
= 63 x 7
= akar dari 441
= 21 cm
7. volume = ½ x p x l x t
= ½ x 7 x 24 x 48
= 4032 cm³
8. volume = π x r x r x t
= 3,14 x 16 x 16 x 56
= 45015,04 cm³
MAAF KALO SALAH