Jawaban terlampir.....
Jawab:
Penjelasan dengan langkah-langkah:
a = 25 S4 = a (r^n - 1)/r-1
n = 4 = 25 ( 2^4 -1) / 2-1
U4 = 200 = 25 (16- 1) /1
a. r^3 = 200 = 25 (15)
4. r^3 = 200 = 375 cm
r^3 = 200/ 4
r^3 = 8
r = 2
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Jawaban terlampir.....
Jawab:
Penjelasan dengan langkah-langkah:
a = 25 S4 = a (r^n - 1)/r-1
n = 4 = 25 ( 2^4 -1) / 2-1
U4 = 200 = 25 (16- 1) /1
a. r^3 = 200 = 25 (15)
4. r^3 = 200 = 375 cm
r^3 = 200/ 4
r^3 = 8
r = 2