Answer:
18
Step-by-step explanation:
pethagoru
8^2 + 6^2= 100
pethagorus theory is a^2+b^2=c^2.
a^2 = base
b^2= side
c^2= hypotenuse
no
Decrease by 13%
<u>Area</u> = 2(1/2 × 5 × 5) + 20 × 10
= 2 × 12.5 + 200
= 25 + 200
= 225ft².
