9.Area of rectangle KLMN is
Area and primater of rectangle
( luas dan keliling persegi panjang )
8 . primater of rectangle
keliling peesegi panjang
rumus
: 2 x (p + L )
= 2 x (21+9)
= 2 x 30
= 60
9 area of rectangle
( luas persegi panjang )
rumus : pxL
= 21 x 9
= 189 cm
thanthanks
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