Given: angle 1 is congurent to angle 2
angle 3 is congruent to angle 4
Prove: Quadrilateral ABCD is parallelogram.
2006-07-02 07:17:19 · 4 answers · asked by Matt21 3 in Science & Mathematics ➔ Mathematics
A B
6 1 3
4 2 5
D C
The letters are the sides and the numbers are the angles they form
2006-07-02 07:22:39 · update #1
ok......
2006-07-02 07:24:56 · answer #1 · answered by Anonymous · 0⤊ 0⤋
I still do not really get the picture, but you say smth like that if 1 is congruent to 2, but 1 is also congruent to 6, then it must be that 2 equals to 6.
Repeat for other pair of angles.
A figure with opposite angles equal to each other is a parallelogram
2006-07-02 07:20:34 · answer #2 · answered by Anonymous · 0⤊ 0⤋
i already graduated
2006-07-02 07:20:52 · answer #3 · answered by Anonymous · 0⤊ 0⤋
you need more info...
2006-07-02 07:22:43 · answer #4 · answered by Samantha D 1 · 0⤊ 0⤋