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Abhijeet Kumar

· started a discussion

· 1 Months ago

Doubt in Explanation (Question: 246875.0 )

Could u plz explain how OTQ is similar to QTR ?

Question:
PQ is a chord of length 8 cm of a circle with centre O and of radius 5 cm. The tangents at P and Q intersect at a point T. The length of TQ is –
Options:
A) \(\cfrac{15}{4}\)
B) \(\cfrac{10}{3}\)
C) \(\cfrac{20}{3}\)
D) \(\cfrac{21}{4}\)
Solution:
Ans: (c)


Mainak Debnath

· commented

· 1 Months ago

Both the triangles have one angle common, one angle 90 degree, so the other angle must be same.

Raj keshri

· commented

· 1 Months ago

how can angle pto be said as 90..it cant be true always
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