In a triangle ABC, ∠A = 90° and D is the mid-point of AC. The value of BC2 - BD2 is equal to ______.
ΔADC ?Post Your Answer
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Which of the following statements is correct ? Post Your Answer
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Match the following.
| (1) | Orthocentre | (A) The point of intersection of the perpendicular bisectors of the sides of a triangle |
| (2) | Centroid | (B) The point at which the three angle bisectors of a triangle meet |
| (3) | Circumcentre | (C) The point at which the altitudes of a triangle meet |
| (4) | Incentre | (D) The point at which the medians of a triangle meet |
(A) 1C, 2D, 3A, 4B
(B) 1A, 2B, 3C, 4D
(C) 1B, 2C, 3D, 4A
(D) 1D, 2A, 3B, 4C
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