Answer:
1. 50.24 cm²
2. 31.4 cm²
3. 43.96 cm²
Step-by-step explanation:
1.
A = ℼr²
A = ℼ.4²
A = ℼ.16
A = 3.14 x 16
Area = 50.24 cm²
2.
A = ℼr²
A = ℼ.5²
A = ℼ.10
A = 3.14 x 10
Area = 31.4 cm²
3.
A = ℼr²
A = ℼ.7²
A = ℼ.14
A = 3.14 x 14
Area = 43.96 cm²
Hopefully it helps goodluck! ^^
