Question

Plz help me with these 2 problems I really need it and I need to know how you to the answer so I can show my work

Answer 1

13.) 0.19625 15.) 37.68

Explanation:

Formula for area of a circle: A=πr²

13.) 3.14 x .25² = 0.19625

Formula for circumference for a circle: C=πD or C=2πr

15.) (6 x 2) x 3.14 = 37.68

Hope this helped : )