A. of these pairs of identical triangles can be composed into a rectangle. B. of these pairs of identical triangles can be composed into a parallelogram.

The question is incomplete. The complete question is :

Discuss your responses to the first question with your group. Then, complete each of the following statements with all, some, or none. Sketch 1–2 examples to illustrate each completed statement.

A. ________________ of these pairs of identical triangles can be composed into a rectangle.

B. ________________ of these pairs of identical triangles can be composed into a parallelogram.

Solution :

A. None

None of the identical triangles provided in the sketch can be composed into a rectangle, it can be formed into a square.  A rectangle is a quadrilateral with four sides having opposite side equal in length. The two adjacent sides of a rectangle are different in size. Thus a rectangle cannot be a square.

B. All

All of the figures provided in the sketch can formed a parallelogram. Two identical triangles can always be composed into a parallelogram by the segments that connects the opposite vertices.

45 degres

step-by-step explanation:

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answer: t=3

step-by-step explanation: