David's pumpkin cost $8.22
His sister's pumpkin cost $4.98
They paid $13.20
Answer:
The area of the associated sector is
Step-by-step explanation:
step 1
Find the radius of the circle
we know that
The circumference of a circle is equal to

we have

substitute and solve for r


step 2
Find the area of the circle
we know that
The area of the circle is equal to

we have

substitute

step 3
Find the area of the associated sector
we know that
subtends the complete circle of area 
so
by proportion
Find the area of a sector with a central angle of 

Answer:
Step-by-stnxnep explanation:
Answer: 6
Step-by-step explanation: DE is 4+2 so EF would be the same if it is equal.