Answer:
1. in the pic
2.
a. S = 3.14×40² = 3.14×1600 = 5024 mm²
b. S = 3.14×2.8² = 3.4×784 = 24.6176 m²
c. S = 3.14×15² = 3.14×225 = 106.5 units²
d. S = 3.14×9² = 3.14×81 = 254.34 cm²
e. S = 3.14×142.8 = 3.14×20391 = 64030.3776 mm²
Step-by-step explanation:
hope it helps
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Answers & Comments
Answer:
1. in the pic
2.
a. S = 3.14×40² = 3.14×1600 = 5024 mm²
b. S = 3.14×2.8² = 3.4×784 = 24.6176 m²
c. S = 3.14×15² = 3.14×225 = 106.5 units²
d. S = 3.14×9² = 3.14×81 = 254.34 cm²
e. S = 3.14×142.8 = 3.14×20391 = 64030.3776 mm²
Step-by-step explanation:
hope it helps