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suresh has a field in a triangular form, whose sides are 21 meter, 29 meter and 30 meter. he wants to donate 1/4th area of his field to a blind school. suggest him how to cut his field so that he can give accurate area to the blind school. also prove it. what value are depicted by Suresh ? (congruent figures have equal areas)

any one can solve this problem.?

y dx - x dy + log x dx = 0

class 9th math all theoram

In the given figure a diameter AB of circle bisects a chord CD if AD is parallel to BC. Prove that chord CD is also a diameter of circle  

Plz.. explain 

how to create on pass port service , visa , tour packages, bills generated on tally. 

How to find integration of cos2x/cosx

NO. 29 plz solve

Plz explain this concept ..