Hitunglah jari jari lingkaran bila luasnya 1962.5cm² dan π : 3.14

Please, let me answer your question :)
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Mapel : Matematika
Tentang : Bangun Datar
Pertanyaan yg diajukan : 1
Pembahasan :

Diketahui :
- Luas (L) : 1962,5 cm²

Ditanya :
- Jari - jari (r)

Tambahan :
- π : 3,14

Cara :

[tex]l = \pi \times {r}^{2} \\ \\ 1962.5 = 3.14 \times {r}^{2} [/tex]

[tex] {r}^{2} = \frac{1962.5}{3.14} \\ \\ {r}^{2} = 625[/tex]

[tex]r = \sqrt{625} \\ \\ r = 25 \: cm[/tex]

Jawaban : 25 cm

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Hopefully this is the best for you.

MAKE BRAINLY GREAT AGAIN!!!

Heil Manstein!