Question

9. Find the area of the square whose vertices are A(0.-2), B(3,1), C(0,4) and D(-3,1)​

Answer 1

Answer:

answer is 9

Step-by-step explanation:

1/2. (x1 (y2 - y3) +x2(y3-y1) + x3 (y2-y1)

1/2 (0 (1-4) +3(4-(-2) ) +0( (-2) -1)

1/2 (0 (3) + 3(6) +0(3)

1/2 (0+18+0)

1/2 ×18

Answer is 9