+0  
 
0
108
1
avatar

Find the area of this triangle..

 

 Jul 14, 2020
 #1
avatar+28021 
+2

  Area of a triangle = 1/2 b * h    b = base  h = height

base is   6.4 + 6.4 in this example

Find the height (the dotted line) using the Pythagorean theorem

6.4^2 + h^2 = 9^2

h^2 = 9^2  -  6.4^2   

  solve for 'h'  then use the red equation above to find the area    cheeky

 Jul 14, 2020

19 Online Users

avatar
avatar