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Mathematics 12 Online
OpenStudy (anonymous):

Sid is constructing a triangle PQR congruent to triangle LMN. First, he constructed a segment PQ congruent to segment LM. Next, he measured the segment LN with a ruler and used the measurement to draw the segment PR. Which statement about segment PR is true? It is correct because it is congruent to line segment LN. It is incorrect because it is not congruent to line segment NM. It is correct because use of ruler gives an accurate measurement. It is incorrect because a ruler is not used to construct congruent triangles.

OpenStudy (anonymous):

draw it out and you will see it

OpenStudy (anonymous):

help

OpenStudy (inkyvoyd):

Try using draw :)

OpenStudy (anonymous):

What

OpenStudy (anonymous):

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OpenStudy (anonymous):

that dosnt help

OpenStudy (inkyvoyd):

Sorry. I read the problem again, and let me give you a hint: What are the rules of compass straightedge constructions?

OpenStudy (anonymous):

Idk? I just started

OpenStudy (inkyvoyd):

Ok. can you read those given answers, and tell me which ones sem correct/incorrect?

Directrix (directrix):

It is incorrect because a ruler is not used to construct congruent triangles. ========== In classical Greek constructions, a straightedge and compass are the only instruments allowed for constructions. No ruler measurements are permitted.

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