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88cm = 2x 22/7xr
88x7=44xr
616cm=44xr
r=14
L.lingkaran=πr²
L.lingkaran= 22/7x14²
L.lingkaran=616 cm²
semoga bermanfaat
88 = 2. 22/7 . r
88 = 44/7 . r
r = 88 x 7/44
r = 14 cm
Maka,
Luas = πr²
= 22/7 . 14 . 14
= 616 cm²
Itu jawabannya.