(Almost) Impossible Integrals, Sums, and Series (Problem Books in Mathematics)

(Almost) Impossible Integrals, Sums, and Series (Problem Books in Mathematics)

Matematika Keliling bangun ABFE adalah ....​

Keliling bangun ABFE adalah ....​

58 cm

Penjelasan dengan langkah-langkah:

AE = AD = 8 cm

EF = CD = 24 cm

BF = BC = 1 cm

AB² = 24² + (8-1)²

= 576 + 49

= 625

AB = √625 = 25 cm

keliling ABFE adalah

25 + 1 + 24 + 8 = 58 cm