manakah yang luasnya lebih besar, sebuah persegi dengan keliling 132 cm atau lingkaran dengan keliling 132 cm

<p>1) Persegi</p><p>Rumus keliling: 4 × sisi = 132</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Sisi = 132/4= 33</p><p>Mencari luas: sisi × sisi = 33×33 = 1089cm²</p><p>&nbsp;</p><p>2) lingkaran</p><p>π = 22/7</p><p>Rumus keliling: 2πr = 132</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 2 × 22/7 × r = 132</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 44/7r = 132</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;r = 132 × 7/44</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;r = 21cm</p><p>Mencari luas: 22/7 × 21²&nbsp;</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 22/7 x 441</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 1386cm²</p><p>Jadi <strong><u>lebih</u></strong> <strong><u>besar lingkaran</u></strong>, maaf kalau ada yg salah</p>