I'm pretty sure you did it correctly
Area= i^2 + 4i
Area= length x width
Length (y)= i + 4
Width (i)=i
Answer:
62.4 cm squared
Step-by-step explanation:
8^2-4^2=48
The square root of 48 is 6.928
7*2.928=48.497
(6.928*4)/2=13.856
48.497+13.856= 62.353 or 62.4
Answer:
d=8km
Step-by-step explanation:
explanation is in the image above