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Verified answer
D=49 cmr=24,5 cm
L= 3/4*πr^2
=3/4(22/7)(24,5)^2
=1414,875 cm^2
K=3/4*2πr+d
=3/4(2)(22/7)(24,5)+49
=164,5 cm
Verified answer
Diketahui =d = 49 cm
r = d/2 = 49/2 = 24,5 cm
Ditanyakan =
Luas ?
Keliling ?
Jawab =
Luas 3/4 Lingkaran
3/4 × Π r²
3/4 × 3,14 × 24,5 × 24,5
3/4 × 3,14 × 600,25
1414,1775
atau
1414, 1780
atau
1414, 178 cm²
K 3/4 Lingkaran
3/4 × 2 Π r
3/2 Π r
3/2 × 3,14 × 24,5
3/2 × 76,93
115,395
atau
115,400
atau
115,4 cm
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