Question

2. Find the area of triangle ABC where A (2, 3), B (-2, 1) and C (3,-2)​

Answer 1

Step-by-step explanation:

u can done by section formula

A=x

B=y

C=z

Answer 2

11 sq cm

Step-by-step explanation:

Area of triangle =

$\frac{1}{2}[x_{1} (y_2-y_3)+x_2(y_3-y_1)+x_3(y_1-y_2)]\\\frac{1}{2}[2(1+2)-2(-2-3)+3(3-1)\\\frac{1}{2}[6+10+6]\\\frac{1}{2}[22]$

$=11$sq cm