Question

A line from one vertex A of an equilateral triangle ABC meets the opposite side BC in P and the circum-circle of triangle ABC in Q. If BQ = 4 cm and CQ = 3 cm, then PQ is equal to
(A) 7 cm
(B) 4/3 cm
(C) 12/7 cm​
(D) 2 cm

Answer 1

Answer:

Correct option: (3) 12/7 cm

Step-by-step explanation:

wkt,1/PQ+1/BQ+1/CQ

=1/4+1/3

=3+4/12

=7/12

SO,PQ=12/7CM

Answer 2

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A line from one vertex A of an equilateral triangle ABC meets the opposite side BC in P and the circum-circle of triangle ABC in Q. If BQ = 4 cm and CQ = 3 cm, then PQ is equal to

(A) 7 cm

(B) 4/3 cm

(C) 12/7 cm✔✔

(D) 2 cm