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Find the area of each circle.
a. r = 16 cm A =__________
b. r = 40 cm A =__________
c. d = 100 cm A =__________
d. r = 18 cm A =__________
e. d = 8.4 dm A =__________
f. r= 80 dm A =__________

Sagot :

Answer:

a.) A = 804.25 cm^2

b.) A = 5,026.55 cm^2

c.) A = 31,415.93 cm^2

d.) A = 1,017.88 cm^2

e.) A = 221.67 dm^2

f.) A = 20,106.19 dm^2

Step-by-step explanation:

Hope it helps, I've calculated this in calculator