Answer:
D. 180
Step-by-step explanation:

Answer:

Step-by-step explanation:
The area
of a triangle is equal to half the product of its length (L) because of its height (h).

The base of the triangles is 
The height of the triangles is 
Then the area of one of the triangles is:

The figure is formed by 12 equal triangles, then the area of the figure
is:

Answer:
Step-by-step explanation:
P = m/v
Where p is density m is mass and v is volume
Putting values of m and v
P = 52.4/ 13.5
P =3.88
bearing in mind B is at (4,3) and D is at (-2,-4).
