r = d : 2 = 14 : 2 = 7
Luas persegi - lingkaran
[tex](s \times s) - (\pi \times r \times r) \\ (14 \times 14) - ( \frac{22}{7} \times 7 \times 7) \\ 196 - 154 \\ 42 \: {cm}^{2} \: (b)[/tex]
LPK :
= (R)²
= (14(14)
= 196 CM²
LPL :
= (22/7(14/2(14/2)
= (22/7(7(7)
= (22/7(49)
= (22(49/7)
= (22(7)
= 154 CM²
LP.GAB :
= (196 - 154)CM²
= 42 CM²
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r = d : 2 = 14 : 2 = 7
Luas persegi - lingkaran
[tex](s \times s) - (\pi \times r \times r) \\ (14 \times 14) - ( \frac{22}{7} \times 7 \times 7) \\ 196 - 154 \\ 42 \: {cm}^{2} \: (b)[/tex]
LPK :
= (R)²
= (14(14)
= 196 CM²
LPL :
= (22/7(14/2(14/2)
= (22/7(7(7)
= (22/7(49)
= (22(49/7)
= (22(7)
= 154 CM²
LP.GAB :
= (196 - 154)CM²
= 42 CM²