For numbers 18-19. Find the area of the shaded region. Use T = 3.14
18. 8 cm
a. 16 cm²
b. 32 cm²
c. 64 cm ²
d. 512 cm ²
19. 9 cm
a. 18 cm²
b. 81 cm²
c. 173.34 cm²
d. 254.34 cm²
18. 8 cm
a. 16 cm²
b. 32 cm²
c. 64 cm ²
d. 512 cm ²
19. 9 cm
a. 18 cm²
b. 81 cm²
c. 173.34 cm²
d. 254.34 cm²
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Answer:
18.a
19.d
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