Math, asked by xxbrandedkaminaxx67, 2 days ago

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Answers

Answered by srajalakshmi1307
3

Answer:

Step-by-step explanation:

Step-1 : Draw a line BC = 5 cm. Using Protractor, mark angle 75° at B.

Step-2 : Draw a line BD = 9cm  so that begin mathsize 12px style angle end styleDBC = 75°.  Join CD.  Draw a perpendicular bisector to line segment CD.

               Let this perpendicular bisector meet BD and CD at A and E respectively

Step-3 : Join AC . ΔABC is constructed as per the requirement.

Proof:- Δ AEC and ΔAED are congruent. Hence AC = AD.  But as per construction AB+AD = 13 cm.  Hence AB+AC = 13 cm

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