Luas persegi = S × S
= 14 × 14
= 196
R = ½ D
= ½ × 14
= 7
Luas ½ lingkaran = ½ × ( phi × r² )
= ½ ( 22/7 × 7 × 7 )
= ½ ( 22 × 7 )
= ½ × 154
= 77
196 + 77 = 273.
Jadi jawabannya opsi C. 273 Cm²
S = Sisi
R = Radius / Jari jari
D = Diameter
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Luas persegi = S × S
= 14 × 14
= 196
R = ½ D
= ½ × 14
= 7
Luas ½ lingkaran = ½ × ( phi × r² )
= ½ ( 22/7 × 7 × 7 )
= ½ ( 22 × 7 )
= ½ × 154
= 77
196 + 77 = 273.
Jadi jawabannya opsi C. 273 Cm²
S = Sisi
R = Radius / Jari jari
D = Diameter