A circle with a radius of 5 cm has an area of 25π cm2. Which is the best approximation for the area of one-half of this circle?
A. 39.3 cm2 B. 8.9 cm2 C. 19.6 cm2 D. 12.5 cm2
1 answer:
Answer:
A
Step-by-step explanation:
π=3.14159...
Full circle are 25π cm² = 25*3.14=78.5 cm²
Half 78.5 cm²/2 = 39.25 cm²
You might be interested in
The correct answer is b) y=3x-2
Answer:
3y-4x=9
Step-by-step explanation:
using y-y1/ x- x1=m
y-1/x--3=4/3
y-1/x+3= 4/3
3(y+1)=4(x+3)
3y+3= 4x+12
3y-4x=12-3
3y-4x=9
1.5 is the correct answer :)
The mean of these numbers is 18.5
