Answer:
A = 3846.5 m²
Step-by-step explanation:
The area (A) of a circle is calculated as
A = πr² ( r is the radius )
Here diameter = 70 , so r = 70 ÷ 2 = 35 , then
A = 3.14 × 35² = 3.14 × 1225 = 3846.5 m²
