Sagot :
Answer:
1. A= 3.14 × r^2
r=d/2
r=14in/2
r=7in
A=3.14 × (7in)^2
A=3.14 × 49in^2
A=153.86in^2
2. A=3.14 ×(6dm)^2
A=3.14 ×36dm^2
A=113.04dm^2
3. A=3.14 × (1000m)^2
A=3.14 × 1,000,000m^2
A= 3,140,000m^2
Answer:
1. A= 3.14 × r^2
r=d/2
r=14in/2
r=7in
A=3.14 × (7in)^2
A=3.14 × 49in^2
A=153.86in^2
2. A=3.14 ×(6dm)^2
A=3.14 ×36dm^2
A=113.04dm^2
3. A=3.14 × (1000m)^2
A=3.14 × 1,000,000m^2
A= 3,140,000m^2