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There are several parallelograms whose vertices are three points a, B and C which are not on a straight line A. 1 B.2 C.3 D.4
three
If a, B and C are three points that are not on the same line, then draw a parallelogram with these three points as the vertex, and you can draw ()
A. One B. two C. three D. four
It is known that three points are a, B and C, which connect AB, BC and ca. ① with ab as the diagonal of parallelogram, BC and Ca as both sides, we can draw ▱ acbd; ② with CB as the diagonal of parallelogram, Ba and Ca as both sides, we can draw ▱ aceb; ③ with Ca as the diagonal of parallelogram, Ba and CB as both sides, we can draw ▱ ABC
Take three points which are not on the same line as the vertex to make a parallelogram, and you can make ()
A. 4 B. 3 C. 2 d. 1
As shown in the figure, points a, B and C can be used to make three parallelograms: ▱ ABCD, ▱ abfc, ▱ aebc
Take three points a, B and C which are not on the same line as the vertex to draw a parallelogram______ One
It is known that three points are a, B and C, which connect AB, BC and ca. taking AB, BC and Ca as diagonals of parallelogram respectively, and the other two sides as edges, there are three parallelogram: ▱ acbd, ▱ aceb, ▱ abcf. So the answer is: 3
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