Here is my answer. In this problem, you need to use the similarity of triangles. I hope this is helpful.
ANSWER
Step 3
EXPLANATION
The given polynomial expression is:
Fatau correctly expanded the parenthesis in the first step.
Fatau also correctly grouped the like terms to obtain:
Fatau committed a mistake at the third step.
Instead of obtaining,
He mistakenly got:
Answer:
Polyhedron
Step-by-step explanation:
Polyhedron is a polygon with a 3-D base of a triangular pyramid shape.
Polyhedron also has a lateral face of triangular prism
Answer:
the first one
Step-by-step explanation: