calculate the area and circumference of the circle and show work

Answer:
A: 0.5 in²
C: 2.51 in.
A = πr²
= π(22/7 form) × 0.4²
= 0.5 in²
C = 2πr
= 2 × π(22/7 form) × 0.4 = 2.51
Given , radius of circle is 0.4 inches
We have to find circumference and area of the circle
Formula for finding area of circle :- πr²
Area :- 3.14×0.4² sq. inches
Area :- 0.5024 sq. inches
Formula for finding circumference of circle :- 2πr
Circumference :- 2×3.14×0.4 inches
Circumference :- 2.512 Inches