anggar1997
18.>>> luas 1/4 lingkaran = 1/4 x 22/7 x 14 x 14 = 539 cm² (B)
19.>>> luas persegi panjang = 13 x 7 = 91 cm² luas persegi panjang = 17 x 14 = 238 cm² luas 1/2 lingkaran = 1/2 x 22/7 x 7 x 7 = 77 cm² LUAS TOTAL = 91 + 238 - 77 = 329 - 77 = 252 cm² (A)
luas 1/4 lingkaran = 1/4 x 22/7 x 14 x 14 = 539 cm² (B)
19.>>>
luas persegi panjang = 13 x 7 = 91 cm²
luas persegi panjang = 17 x 14 = 238 cm²
luas 1/2 lingkaran = 1/2 x 22/7 x 7 x 7 = 77 cm²
LUAS TOTAL = 91 + 238 - 77 = 329 - 77 = 252 cm² (A)
semoga membantu ^_^