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briseno2511
21.06.2019 •
Mathematics
Can someone answer this question? : )
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Ответ:
We already have ,
Both circles congruent,
that means their diameter and therefore radius are equal.
Which means,
AM= MB = CN = DN = 148/2 = 74 (radius of congruent Δs)
and
AL = BL = 140/2 = 70 (as a perpendicular on a chord from the center bisects the chord)
InΔ ΑLM and ΔCNQ seem to be congruent,
So,
ML = NQ ( by CPCT)
this means uf you found the value of ML somehow, you'll get the value of NQ.
So by applying pythagoras theorem in ΔALM
Hence, ML =24 cm =NQ
Ответ: