Answer:
The area of the triangle is of 21 units of area.
Step-by-step explanation:
The area of a triangle with three vertices
is given by the determinant of the following matrix:

In this question:
Vertices (3,0) (9,0) (7,6). So




The area of the triangle is of 21 units of area.
Answer:
73
Step-by-step explanation:
Answer:
Hope it helped!
Step-by-step explanation:
Answer:
huh? -1 is a decimal number maybe write it as -1.0 ?