Answer:
A =39 ft^2
Step-by-step explanation:
The area of the triangle is given by
A = 1/2 bh where b is the base and h is the height
The base is 5+8 and the height is 6
A = 1/2(5+8) *6
A = 1/2 *13*6
x=3 MT=36 MH=18
The two triangles are the same, so 7x+8=10x-1
3x=9
x=3
MT=12x3=36
MH=36/2=18
1.425
b.0.76
0.76÷1000=0.076
l425÷1000=1.425