Matematika 10° + 30° + 50° + . . . + 190° = . . . rad ​

edwardkesslerulv – March 07, 2023

10° + 30° + 50° + . . . + 190° = . . . rad ​

Jawaban:

50/9 rad

Penjelasan dengan langkah-langkah:

190= a+(n-1)b

190= 10+(n-1)20

180= (n-1)20

9= n-1

n= 10

Sn= n/2(a+Un)

= 10/2(10+190)

= 5(200)

= 1000°

= 1000/180

= 100/18 rad

= 50/9 rad

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