Tolongggggggggggg..​

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Tolongggggggggggg..​

Tolongggggggggggg..​

keliling = 48 cm

luas = 84 cm persegi

maaf ga pake cara ya

Jawab:

Penjelasan dengan langkah-langkah:

EF = √12² + 5²

= √144+25

= 13

LΔDEF = 1/2 at

= 1/2 .13.14

= 13.7 = 91cm²

K=s+s+s

= 13+14+21 = 48cm

Semoga membantu

Jgn lupa jadikan jawaban terbaik jika benar