height = 2 cm. Formula: ... Triangle no. 2: base = 3 cm height = 2 cm. A = 0.5 x 3 cm x 2 cm = 3 cm 2 ... 1 m 2 = 100 dm 2 = 10 000 cm 2 = 1 000 000 mm2
確定! 回上一頁