Answer:
So we know the formula to calculate the area of the circular sector:
S=(r^2*π*a)/306°=
(5^2*3.14*40°)/360°= (1000*3.14) /360=8.72cm^2 so the right alternative should be the first one ,A.
Step-by-step explanation:
r - radius of the circle
a - corner of the circular sector
S - surface
Answer:
D. 26 m
Step-by-step explanation:
Five ten-thousandths looks like this: 0.0005
All of these are less:
0.0004
0.0003
0.0002
0.0001
0.00001
0.000001
.
.
etc.
Answer:
2x + 4y = 14 = x= −2y+7
3x - 4y = -39= x= 4=3
y−13
Step-by-step explanation:
