Question

equal. Prove that
19. If A (4,3); B (-1, Y) and C (3, 4) are the vertices of a right angled triangle
ABC. LA = 90°. Then find the value of Y
20. Find the area of the triangle ABC whose vertices are A(2,3); B (-1,0) and
C(2,-4).
​

Answer 1

Step-by-step explanation:

this is answer of 20 question