tolong jawab 1. d = 30 r = ? π = 3,14 l = ?
Matematika
salma624
Pertanyaan
tolong jawab
1. d = 30
r = ?
π = 3,14
l = ?
1. d = 30
r = ?
π = 3,14
l = ?
2 Jawaban
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1. Jawaban putry2909
r = d ÷ 2 = 30 ÷ 2 = 15
jawab : pi x r^2
3.14 x 15 x 15
3.14 x 225
706.5 cm ^2 -
2. Jawaban rizkyalfianto
jawab r = 1/2 × d = 1/2×30=15 cm
luas = πr²= 3,14×15×15= 706,5 cm² semoga membantu jawaban ini