plis jawab kak no 1234

Please, let me answer your question :)
___________________________

Mapel : Matematika
Tentang : Bangun Datar
Pembahasan :

Nomor 1 :

Diketahui :
- AB = 48 cm
- BC = 24 cm
- CD = 36 cm

Ditanya :
- K

K = AB + BC + CD
K = 48 + 24 + 36
K = 48 + 60
K = 108 cm

Yg A jawabannya.

___________________________

Diketahui :
- r = 50 cm

Ditanya :
- K

K = 2πr
K = 2 x 3,14 x 50
K = 3,14 x 100
K = 314 cm

Yg B jawabannya

___________________________

Diketahui :
- a = 42 cm
- t = 58 cm

Ditanya :
- L

L = ½ x a x t
L = ½ x 42 x 58
L = 21 x 58
L = 1218 cm²

Yg C jawabannya.

___________________________

Diketahui :
- d1 = 36 cm
- d2 = 30 cm

Ditanya :
- L

L = ½ x d1 x d2
L = ½ x 36 x 30
L = 18 x 30
L = 540 cm²

Yg D jawabannya

___________________________
Hopefully this is the best for you. And please, make Brainly great again!

Heil Manstein!