15 Years of War: How the Longest War in U.S. History Affected a Military Family in Love, Loss,

15 Years of War: How the Longest War in U.S. History Affected a Military Family in Love, Loss,

Matematika luas bagian yg diarsir pada bangun diatas adalah π22/7
A.1.848 cm²
B.1.232 cm²
C.462 cm²
D.308 cm²
tolong jawab nanti malem dikumpul​

luas bagian yg diarsir pada bangun diatas adalah π22/7
A.1.848 cm²
B.1.232 cm²
C.462 cm²
D.308 cm²
tolong jawab nanti malem dikumpul​

Jawaban:

lingkaran kecil =

d = 28/2 = 14 --> r = 14/2 = 7

luas = πr²

luas = 22/7 x 7² = 154 cm²

lingkaran besar =

d = 28 ---> r = 28/2 = 14

luas = 22/7 x 14² = 616 cm²

luas yg di arsir =

= 616 - (2x154)

= 308 cm²

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