Answer:
1. Diameter - 4 cm
Radius - 2 cm
R² - 4 cm²
Area - 12.56 cm²
2. Diameter - 16 m
Radius - 8 m
R² - 64 m²
Area - 200.96 m²
3. Diameter - 26 ft
Radius - 13 ft
R² - 169 ft²
Area - 530.66 ft²
4. Diameter - 38 m
Radius - 19 m
R² - 361 m²
Area - 1133.54 m²
5. Diameter - 50 m
Radius - 25 m
R² - 625 m²
Area - 1962.5 m²
I hope this helps... Please correct my answers if it is wrong.
