If A (4, –2), B (7, – 2), and C (7, 9) are the vertices of a ΔABC, then ΔABC is
A. equilateral triangle
B. isosceles triangle
C. right-angled triangle
D. isosceles right-angled triangle
Answer:C
If A (4, –2), B (7, – 2), and C (7, 9) are the vertices of a ΔABC, then ΔABC is
A. equilateral triangle B. isosceles triangle C. right-angled triangle D. isosceles right-angled triangle