1) How many sides are there in Triangle a) 3 b) 4 c) 2 d) 1 e) 0 f) 5 2) How many angles are there in Triangle a) 3 b) 4 c) 5 d) 2 e) 0 f) 1 3) what is Right angle  a) 90 degrees b) 180 degrees c) 120 degrees d) 60 degrees e) 45 degrees f) 75 degrees

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?