Answer:
-33
Step-by-step explanation:
You have the area of a triangle by this formula;
A = 1/2 × base × height.
and you just plug in which numbers are the base and height to find the area of it.
hope this helps, God bless!
Answer:
B
Step-by-step explanation:
When you look at the model, you see that the bottom of the shape is square. So looking at the flat model, which one is thhe one with a square as a base. B does.
Answer:
c²(1 + 3d)
Step-by-step explanation:
The sum of square of c and d is;
c² + d
Twice the product of c and d is;
2c²d
Because c² + d is increased by 2c²d the algebraic expression becomes;
c² + d + 2c²d
or
c²(1 + 3d)
