BD = √3² + 4² = 5cm
luas layang
= 2 x 1/2 x 3 x 4
= 12 cm²
1/2 x BD x AC = 12 cm²
1/2 x 5 x AC = 12
5AC = 24
AC = 4,8 cm
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BD = √3² + 4² = 5cm
luas layang
= 2 x 1/2 x 3 x 4
= 12 cm²
1/2 x BD x AC = 12 cm²
1/2 x 5 x AC = 12
5AC = 24
AC = 4,8 cm