Question

what is the area triangle formed by the point O(0,0) A(-3,0) and B(5,3)

Answer 1

find determinant and the answer will be half of it (easy method but for 12th grade)

if you are in 9th or 10th

Area △=1/2( ∣(x1(y2–y3)+x2(y3–y1)+x3(y1–y2))|)

mod function beacuse area cant be negative

Answer 2

Step-by-step explanation:

answer of the question is 1