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NAVYA AGRAWAL from International school , PUNE

Subject :IMO Class : Class 7

In a triangle ABC, A = 90° and D is the mid point of AC. The value of BC² - BD² is equal to _______.

AAD²
B2AD²
C3AD²
D4AD²

4AD2

Ans 1:

Ambar and Adwita from Suncity School, Gurgaon

YesThe answer is A. 2AD^2- AD^2= AD^2, Not 3AD^2

SOUVAGYA SAHA from De Nobili School, DHANBAD

the ans is option A . SOF pls check the soltution .