Donnie has to construct a triangle NOP congruent to triangle KLM. Triangle NOP and Donniefs construction so far is shown below. Which step should Donnie do next? Draw an arc to intersect the arc above segment NP from point N with any width of the compass. Measure the length of KL with a ruler and draw a segment of equal length from point N towards the arc above segment NP. Draw an arc to intersect the arc above segment NP from point N with the length of segment KL as the width of the compass. Measure the length of ML with a ruler and draw a segment of equal length in any direct
NO must be congruent to KL, so the compass needs to be put to the width of KL, so the first choice does not work.
Constructions uses straaight edges and not rulers, so the second and last choices won't work, either.
Draw an arc to intersect the arc above segment NP from point N with the length of segment KL as the width of the compass. ----- The third vertex of the constructed triangle will be at the intersection of the two drawn arcs. The triangles will be congruent by SSS Postulate.
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