Question
Mathematics Question on Triangles
In a triangle ABC, ∠A = 900 and D is mid-point of AC. The value of BC2 - BD2 is equal to
A
AD2
B
2AD2
C
3AD2
D
4AD2
Answer
3AD2
Explanation
Solution
The correct option is (C): 3AD2
In a triangle ABC, ∠A = 900 and D is mid-point of AC. The value of BC2 - BD2 is equal to
AD2
2AD2
3AD2
4AD2
3AD2
The correct option is (C): 3AD2