Jawaban:
6.a.=616cm² =(no7.c)
b.=1.256cm² (no.7d)
c.=3.850cm² =(no.7f)
d.=154cm² =(no7.a)
e.=314cm² =(no7.b)
f.=1.386cm² =(no7.e)
7.mencari diameter di×2
Penjelasan dengan langkah-langkah:
6.A.L.=π×r²
=22/7×14²
=22/7×196
=22×28=616cm²
B.L.=π×r²
=3,14×20²
=3,14×400
=1.256cm²
C.L.=π×r²
=22/7×35²
=22/7×1.225
=22×175=3.850cm²
D.L.=π×r²
=22/7×7²
=22/7×49
=22×7=154cm²
E.L.=π×r²
=3,14×10²
=3,14×100
=314cm²
F.L.=π×r²
=22/7×21²
=22/7×441
=22×63=1.386cm²
7.untuk no 7 lihat hasil dari no 6 berapa luasnya dan jari² tinggal dicocokin dan mencari diameternya dikalikan 2
8.A.L=2/4×π×r² C.L=⅔×π×r²
=2/4×22/7×7² =⅔×3,14×20²
=11×7=77cm² =⅔×1.256
B.L=½×π×r² =2.512/3=837,3333cm²
=½×3,14×10²
=3,14×50=157Cm²
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Jawaban:
6.a.=616cm² =(no7.c)
b.=1.256cm² (no.7d)
c.=3.850cm² =(no.7f)
d.=154cm² =(no7.a)
e.=314cm² =(no7.b)
f.=1.386cm² =(no7.e)
7.mencari diameter di×2
Penjelasan dengan langkah-langkah:
6.A.L.=π×r²
=22/7×14²
=22/7×196
=22×28=616cm²
B.L.=π×r²
=3,14×20²
=3,14×400
=1.256cm²
C.L.=π×r²
=22/7×35²
=22/7×1.225
=22×175=3.850cm²
D.L.=π×r²
=22/7×7²
=22/7×49
=22×7=154cm²
E.L.=π×r²
=3,14×10²
=3,14×100
=314cm²
F.L.=π×r²
=22/7×21²
=22/7×441
=22×63=1.386cm²
7.untuk no 7 lihat hasil dari no 6 berapa luasnya dan jari² tinggal dicocokin dan mencari diameternya dikalikan 2
8.A.L=2/4×π×r² C.L=⅔×π×r²
=2/4×22/7×7² =⅔×3,14×20²
=11×7=77cm² =⅔×1.256
B.L=½×π×r² =2.512/3=837,3333cm²
=½×3,14×10²
=3,14×50=157Cm²