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L.½⊙=½Πr²
=½•22/7•7•7
=77cm
L.⬜=pxl
=26•7
=182cm
L.△=½•a•t
=½•7•24
=84cm
Luas seluruh bangun = 77cm+182cm+84cm
=179cm
K.½⊙=½•Π•r²
=½•3,14•7•7
=76,93cm
K.⬜=2•(p+l)
=2•(26+7)
=66cm
K.△= mencari sisi miring dulu
7²+24²=c²
49+576=c²
625=c²
c=√625
=25cm
K.△=s+s+s
=24+7+25
=56cm
Keliling seluruh bangun = 76,93cm+66cm+56cm
=198,93cm
Maaf yaa ka klo salah, saya baru pemula ☺