Juring luasnya 77cm² jari jari 14cm keliling Juring
Matematika
Afada17
Pertanyaan
Juring luasnya 77cm² jari jari 14cm keliling Juring
1 Jawaban
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1. Jawaban Anggress1
P.busur = L.juring/L.ling × K.ling
P.busur = 77/πr² × 2πr
P.busur = 77×2/14
P.busur = 11 cm
K.juring = 2(14)+11 = 28+11 = 39cm