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jamesgutierrez
16.09.2021 •
Mathematics
Suppose that J is between H and K. If HJ=2x+4, JK=3x+3, and KH=22, find the lengths of HJ and JK. Remember to always draw an image first and to pay attention to what the question is asking for! Find the Segment Addition Postulate Use the Segment Addition Postulate and then substitute what we know. Do not use any spaces in your answers.
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Ответ:
A) ΔGCB ≅ ΔERG
B) Angle-Angle (AA) Similarity Theorem
C) BE = 266 2/3 PE = 233 1/3
Step-by-step explanation:
GC || ER therefore, by Alternate Interior Angles Theorem: ∠G ≡ ∠E
GR || CE therefore, by Alternate Interior Angles Theorem: ∠C ≡ ∠R
Since we have two congruent angles, we can prove ΔGCB and ΔERG are congruent using the Angle-Angle (AA) Similarity Theorem.
Since it is a parallelogram, the sides are congruent (GC = RP and GR = CP)
GC = 350 GB = 400 CB = 300
ER = 350 + PE EG = 400 + BE RG = 300 + 200
Since the triangles are similar, their sides are proportional.