Answer:
CIRCLE RADIUS DIAMETER
A 24cm 48cm
B 20m 40m
C 17.5cm 35cm
D 34.5m 69m
CIRCUMFERENCE
A 150.80cm
B 125.66m
C 109.96cm
D 216.77m
Lahat po ng ay ni round off to the nearest hundreths.
So we're back for another problem about circles.
I'm Ate Yash here for help
Step-by-step explanation:
In RADIUS po ang formula is
r= C/2π ; r(radius), C (circumference), 2 × π(pi)
Circle B
d = 2r
40 = 2r
divide both sides by 2 para makuha ang value ni r(radius)
40 = 2r so cancel 2/2
2 2
(40÷2 is 20)
20 = r
20m radius ng circle B
substitute na naten para makuha ang cicumference ng circle B
C= 2πr
C= 2π(20)
C= 40π
C= 125.66m
so, circumference of Circle B is 125.66m
Circle C
d= 2r
35 = 2r cancel 2/2 bali r nalang
2 2
35 = r
2
17.5 = r
17.5cm
Circle C (circumference)
C = 2πr
C = 2π(17.5)
C = 35π
C = 109.96 cm
therefore, Circumference of circle C is 109.96cm
In DIAMETER ang formula po ay
d = 2r ; d= diameter, 2 × r (radius)
Circle A
Diameter
d= 2(24)
d= 48cm
therefore the diameter of circle A is 48 cm.
In Circumference naman po ang formula is:
C=2πr
Circle A
C=2π(24)
C=48π
C= 150.80cm
Circle A Circumference is equal to 150.80cm
Circle D (diameter)
d= 2r
d= 2(34.5)
d= 69
therefore diameter of circle D is 69m
Circle D Circumference
C= 2πr
C= 2π(34.5)
C= 69π
C= 216.77
therefore, circumference of Circle D is 216.77m
