Which of the following could be used as a straightedge? Select all that apply.

a. the edge of a book
b. a ruler
c.a banana
d. a cup

Respuesta :

A and B, though B would be the best choice, because they all have an edge that is straight.

The substance that can be used as a straightedge are the edge of a book and a ruler.

What is a straightedge?

A straightedge is a piece of material (as of wood, metal, or plastic) with a straight edge for testing straight lines .

The edge of a straightedge can be use to test for a straight line. Examples of straightedge includes ruler, tape and many more.

Base on the option, the substance that can be used as a straightedge are the edge of a book and a ruler.

learn more on straightedge here: https://brainly.com/question/4133288

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