Through P, Q and R lines BC, AB and AC has been drawn respectively par

1.	Through P, Q and R lines BC, AB and AC has been drawn respectively parallel to the sides QR, PR and PQ of a triangle PQR. Prove that QR = ½ BC. step by step or else I will report
Answer» Step-by-step EXPLANATION: if an object of 7 cm heght is placed at a distance of 12 cm from a convex lens of focal LENGTH 8 cm foind the position,NATURE and height of image PLEASE mark BRAINLIST

Through P, Q and R lines BC, AB and AC has been drawn respectively parallel to the sides QR, PR and PQ of a triangle PQR. Prove that QR = ½ BC. step by step or else I will report

Answer»

Step-by-step EXPLANATION:

if an object of 7 cm heght is placed at a distance of 12 cm from a convex lens of focal LENGTH 8 cm foind the position,NATURE and height of image

PLEASE mark BRAINLIST

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Through P, Q and R lines BC, AB and AC has been drawn respectively parallel to the sides QR, PR and PQ of a triangle PQR. Prove that QR = ½ BC. step by step or else I will report​

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Through P, Q and R lines BC, AB and AC has been drawn respectively parallel to the sides QR, PR and PQ of a triangle PQR. Prove that QR = ½ BC. step by step or else I will report