Answer:
15
Step-by-step explanation:
This is simply just 5 x 3 = 15
Answer:
15+15+15+2+2+2+2=(3×15)+(4×2)=45+8=53
First one; substitute x into the equation and see if the result equal y in the coordinate
Answer:
The area of the triangle is of 8 units of area.
Step-by-step explanation:
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 (1,0) (5,0) (3,4). So




The area of the triangle is of 8 units of area.