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Question 1Two line segments AB and AC include an angle of 60∘, where AB = 5 cm and AC = 7 cm. Locate points P and Q on AB and AC, respectively such that AP=34AB and AQ=14AC .Join P and Q measure the length PQ.Thinking Process(i) Firstly we find the ratio of AB in which P divides, it with the help of the relation AP=34AB(ii) Secondly, we find the ratio of AC in which Q divides. It with the help of the relation AQ=14AC. (iii) Now, construct the line segment AB and AC in which P and Q respectively divide it in the ratio from step (i) and (ii) respectively.(iv) Finally get the point P and Q. After that join PQ and get the required measurement of PQ.

Answer»

Question 1

Two line segments AB and AC include an angle of 60, where AB = 5 cm and AC = 7 cm. Locate points P and Q on AB and AC, respectively such that AP=34AB and AQ=14AC .Join P and Q measure the length PQ.

Thinking Process

(i) Firstly we find the ratio of AB in which P divides, it with the help of the relation AP=34AB

(ii) Secondly, we find the ratio of AC in which Q divides. It with the help of the relation AQ=14AC.

(iii) Now, construct the line segment AB and AC in which P and Q respectively divide it in the ratio from step (i) and (ii) respectively.

(iv) Finally get the point P and Q. After that join PQ and get the required measurement of PQ.





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