Answer:
1041.27
Step-by-step explanation:
A=πrl+πr2
l=r2+h2
Solving forA
A=πr(r+h2+r2)=π·12·(12+102+122)≈1041.26829
240 miles
78+54+2(54)=240
450
To find an area of the triangle, you must first multiply the base and the height.