Answer:
49,12 ft²
Step-by-step explanation:
r = d/2 = 8ft/2 = 4 ft
A = At + Ac/2
= b×h/2 + π·r²/2
= 6ft×8ft/2 + 3,14·(4ft)²/2
= 3ft×8ft + 3,14×16ft²/2
= 24ft² + 25,12ft²
= 49,12 ft²
B. 25.12
We are simply finding the perimeter of the cake.
Perimeter: π × diameter
Perimeter: 3.14 × 8
Perimeter: 25.12 inches
slope is -7