Question

Carilah luas permukaan dari bangun gabungan diatas!

pakai caranya ya

Answer 1

L permukaan 1 = 1/2 × 22/7 × 7 × ( 7 + 30 )
= 11 × 37
= 407 m^2
L permukaan 2 = 2 × ( 30 × 14 ) + ( 30 × 12 ) + ( 14 × 12 )
= 2 × ( 420 + 360 + 168 )
= 2 × 948
= 1.896 m^2

Jumlah = 407 + 1.896 = 2.303 m^2


maaf klo slh yh