√25/4=5/2 because 5/2 times 5/2 equal 25/4. Hope it help!
Answer:
80
Step-by-step explanation:


Answer:
Is this the full question?
Step-by-step explanation:
Answer:
area ≈ 6.3 units²
Step-by-step explanation:
Calculate the area (A ) of the sector as
A = area of circle × fraction of circle
= πr² × 
= π × 4² × 
= 16π ×
← cancel 8 and 16 by 8, leaving
A = 2π ≈ 6.3 units² ( to 1 dec. place )