Question

Find the area of triangle formed by the paints A(0, 4), B(-5, -1) and C(4, -1)
a. 20.5 sq.units
b. 22.5 sq.units
c. 12.5 sq.units
d. 22 sq.units​

Answer 1

Answer:

area of triangle = 1/2 | x1 (y2-y3) + x2 (y3-y1) + x3 (y1-y2)|

= 1/2 | 0 (-1+1) + (-5)(-1-4) + 4 (4+1)|

= 1/2 | 0 + 25 + 20|

= 45/2 sq.units

Answer 2

$\pink{ \huge{22.5}}$

HOPE YOU HAVE GOT YOUR ANSWER