The area of a triangle is 45.5 square meters and the base is 10 meters. What is the height of this triangle?

A.
9.1 m

B.

455 m

C.
4.55 m

D.
227.5 m

Question

The area of a triangle is 45.5 square meters and the base is 10 meters. What is the height of this triangle? 	
	
 
A.
	9.1 m
	
 
B.
	

455 m
	
 
C.
	4.55 m
	
 
D.
	227.5 m

anonymous · Answer

The formula for the area of a triangle is A=1/2bh.
This means that one half of the base times height  is the area of the triangle.
since you don't the height, fill in the info that you do know:

45.5=1/2(10)h
   or
45.5=5h

Now, you should have no problem solving for h :)

anonymous · Answer

answer is 9.1 m