Question

Kak pake cara ya bsk dikympulin yg cepet ya

Answer 1

1.) 3,14x24x24
: ____
2.) 3,14x6x6
:_____
3.) 314 = 3,14 x r
r=3,14/314
r=____
4,) 22/7 x 21 x 21
= ___
5. 22/7 x7x7
= ____

Answer 2

1)
diameter = 24 cm
r = 12 cm

luas = pi × r²
=3,14 × 12 × 12
= 452,15 cm²

2)
r= 6cm

luas = 3,14 × 6²
luas = 113,04 cm²


3)
luas = 314 cm²

r =  √luas/pi
r = √314/3,14
r = √100
r = 10cm

4)
diameter = 21cm
r = 10,5 cm
kolam = 1/2 lingkaran

luas= 1/2 × pi × (10,5)²
luas = 1/2 × 22/7 ×110,25
luas = 11 × 15,75
luas = 173,25 cm²

5)
r=7cm
lingkaran=1/4

luas= 1/4 × 22/7 × 7²
luas = 38,5 cm²