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stiks02 [169]
3 years ago
8

Point P is the midpoint of both MR and NQ, which are on the same line. If MN=26, NP=3x+4, and QR=6x+2, find NP.

Mathematics
1 answer:
sammy [17]3 years ago
7 0

Answer: NP= 16 cm

Explanation:

As we shown in the figure below :

Since P is the midpoint of MN and  NQ

So, We consider ΔMNP and ΔPQR,

∠MPN=∠QPR  (∵ Vertically opposite angles are equal)

MP=PR  (∵ P is the mid point of MR)

NP=PQ  (∵P is the midpoint of NQ)

So, ΔMNQ ≅ ΔPQR  (∵By SAS congruence )

∴ 26=6x+2 \text{(By CPCT )}\\26-2=6x\\24=6x\\\frac{24}{6}=x\\4=x

So, NP=3x+4=3\times 4+4=12+4=16 cm

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