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Sagot :
Answer:
Triangle(Right angle triangle)
Quadrilateral (Trapzium)
Step-by-step explanation:
Ana has a poster board in the shape of a rectangle.
She draw a line to cut the poster into two new shapes.
The new shapes have 7 sides and seven vertices in all.
She cut from one vertex of rectangle to a point of opposite side of rectangle.
We get two shape one with three side and one with four sides
Therefore, Total side of the two shapes would be 3+4 = 7
Triangle has three vertices and Quadrilateral has four vertices.
Triangle would be right angle triangle.
Quadrilateral would be trapzium.

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