jawab pake cara yaa...

L1=p×l
=14×8
=112cm^2

L2=1/2×πr^2
=1/2×22/7×7×7
=1/2×154
=77cm^2

jika 1/2 lingkaran nya ada 2 maka:

L. arsir=L1
=112cm^2

1/2Lingkaran
d=14 r=7
Perseg Panj
p=14 l=8

Lpp=pxl
Lpp=14x8
Lpp=112

L1/2lingkaran (yg tidak diarsir)
L=22/7xr^2/2
L=22/7x7^2/2
L=22/7x49/2
L=77

L1/2lingkaran (yg diarsir)
L=22/7xr^2/2
L=22/7x7^2/2
L=22/7x49/2
L=77

Ltotal
=(Lpp-L1/2lingk(tDiarsir)+L1/2lingk(Diarsir)
=(112-77)+77
=35+77
=112

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