ASVAB Math Knowledge Circles Practice Test 300368

Question 2 of 5
Calculations

The circumference of a circle is the distance around its perimeter and equals π (approx. 3.14159) x diameter: c = π d. The area of a circle is π x (radius)2 : a = π r2.

What is the area of a circle with a radius of 4?

81π
16π