Question

keliling bangun di atas adalah​

Answer 1

Verified answer

Materi : Bangun Datar

Keliling Bangun diatas

K = 2( p + l ) + 4a

K = 2( 4 + 8 + 6 + 17 ) + 4( 5 cm )

K = 2( 18 cm + 17 cm ) + 20 cm

K = 2( 35 cm ) + 20 cm

K = 70 cm + 20 cm

K = 90 cm { a. }

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Answer 2

Keliling persegi panjang

k. persegi panjang

K = 2 × (p + l)

K = 2 × (8 + 4 + 6 + 17)

K = 2 × 35

K = 70 cm

Keliling persegi

K = 4(s)

K = 4(5)

K = 20 cm

70 + 20 = 90 cm (A.)