jamal's scores on the first three of four 100-point English papers were 86, 92, and 89. what score does he need on his fourth pa
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Answer:
Step-by-step explanation:
Notice that KL = LM and PQ = QR since OL and OQ are perpendicular to both KM and PR.
It follows that QR = (1/2) PR = 20 cm. We also know that MR = 21.
Now in order to solve the problem we just need OQ=OL
Therefore the perimeter of the pentagon is