Mathematics
Without using Pythagoras Theorem, prove that the points A(1, 3), B(3, –1) and C(–5, –5) are the vertices of a right-angled triangle.
Related Questions
If the lines y = 3x + 7 and 2y + px = 3 are perpendicular to each other, find the value of p.
If the straight lines 3x – 5y = 7 and 4x + ay + 9 = 0 are perpendicular to each other, find the value of a.
Without using distance formula, show that the points A(1, –2), B(3, 6), C(5, 10) and D(3, 2) are the vertices of a parallelogram.
Given that A(5, 4), B(–3, –2) and C(1, –8) are the vertices of a ΔABC. Find:
(i) the slope of median AD
(ii) the slope of altitude BM