Cho hình vuông abcd tâm o a) tìm ảnh của điểm C qua phép quay tâm a góc 90 độ
b) tìm ảnh của đoạn thẳng BC qua phép quay tâm O góc 90 độ

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3

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