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Nadusha1986 [10]
3 years ago
6

Find the circumference and area of each. Round to nearest tenth:

Mathematics
1 answer:
patriot [66]3 years ago
8 0

№1. Given: r=8 ft, π≈3.14

C=2×π×r=2×3.14×8=50.24=50.2 ft

A=π×r²=3.14×64=200.96=201 ft²

Answer: 50.2 ft; 201 ft²

№2. Given: D=11 cm, π≈3.14

d=2r or r=2/d, so if d is 11 cm, then r is 11÷2=5.5 cm

C=2×π×r=πD=3.14×11=34.54=34.5 cm

A=π×r²=3.14×(5.5)²=94.985=95 cm²

Answer: 34.5 cm; 95 cm²

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48

Step-by-step explanation:

B and C trisrct AD so

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Acording to the instruction on a bag of fertizer 5 pounds of fertilzer are needed for every 100 square feet of lawn How many squ
eimsori [14]

Answer:

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Step-by-step explanation:

<h3><u>Given</u>;</h3>
  • Acording to the instruction on a bag of fertilizer 5 pounds of fertilizer are needed for every 100 square feet of lawn.
<h3><u>To Fi</u><u>nd</u>;</h3>
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