Tolong Dijawab #klo gk bisa gk ush jwb
Matematika
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Tolong Dijawab
#klo gk bisa gk ush jwb
#klo gk bisa gk ush jwb
1 Jawaban
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1. Jawaban Nik001
A) Luas selimut kerucut
= π x r x s
= 22/7 x 7 cm x 25 cm
= 550 cm²
B) Luas permukaan kerucut
= π x r ( r + s )
= 22/7 x 7 cm ( 7 cm + 25 cm )
= 22 cm x 32 cm
= 704 cm²
A) r = √s² - t²
= √13² - 12²
= √169 - 144
= √25
= 5 cm
B) Luas permukaan kerucut
= π x r ( r + s )
= 3,14 x 5 cm ( 5 cm + 13 cm )
= 15,7 cm x 18 cm
= 282,6 cm²