self Maths Puzzle

The coordinates of the vertices of the triangle ABC are A(a+k,2k+a),B(a,a)and c(a+2k,a). From the mid point of AC a perpendicular is drawn to meet the side BC at R. If BR=3 unit. What is the area of triangle ABC ?

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self Other Question
AB^2 = CDAE and AB^3 = FGHIJB

Find the values for A,B,C,D,E,F,G,H,I,J.

Each Alphabets contains digits from 0 to 9.

Note : Each numbers carry each alphabets. No repetation Adi leave the house at 9:30 AM daily to reach his office at 10:30 AM. He travels by his bike at a speed of 36 KMPH. One a particular day, he left home at the usual time but his bike broke down after travelling some distance, After waiting for 15 min he walked to the office at a speed of 18 KMPH and reached the office at 11 AM. Find the distance for which Adi had to walk.