Q.
π = 22/7
r = 14 cm
keliling lingkaran ?
luas lingkaran ?
diameter ?
π = 22/7
r = 14 cm
keliling lingkaran ?
luas lingkaran ?
diameter ?
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Penjelasan dengan langkah-langkah:
a. keliling
k = 2πr
k = 2 × 22/7 × 14
k = 2 × 22 × 2
k = 44 × 2
k = 88 cm
b. Luas
L = πr²
L = 22/7 × 14 × 14
L = 22 × 2 × 14
L = 44 × 14
L = 616 cm²
c. diameter
d = r × 2
d = 14 × 2
d = 28 cm
SOAL Q.
K = 2 × π × r
K = 2 × 22/7 × 14
K = 2 × 44
K = 88 cm
L = π × r²
L = 22/7 × 14²
L = 22/7 × 196
L = 616 cm²
D = 2 × r
D = 2 × 14
D = 28 cm
I Hope This Help!