100 Simple Ways How to Manage a Successful Property and Evidence Room

100 Simple Ways How to Manage a Successful Property and Evidence Room

Matematika minta tolong bantu jawab pakai cara ya makasih​

minta tolong bantu jawab pakai cara ya makasih​

Jawaban:

keliling

ab + bc + cd + de + ea

15 + 10 + 9 + 12 + 10

= 56cm

note:

hasil DE = 12

caranya =

√15²-9²

√225 - 81

√144

= 12

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