24.如圖,在平面直角坐標(biāo)系中,△ABC的頂點(diǎn)都在格點(diǎn)上,點(diǎn)A的坐標(biāo)(-4,3),B(1,2),C(-1,-1)將△ABC先向右平移2個(gè)單位長(zhǎng)度,再向下平移3個(gè)單位長(zhǎng)度,得△A
1B
1C
1.
(1)請(qǐng)畫(huà)出△A
1B
1C
1;
(2)請(qǐng)寫(xiě)出點(diǎn)A
1,B
1的坐標(biāo);
(3)請(qǐng)求出△ABC的面積.