Luas bangun berikut adalah?-no google-no kalkulator
Jawaban:
l= A + b/2 x t
=28 + 44/2 x 22
=72/2 x 22
=36 x 22
=792cm2
16
L persegi + L 1/2 lingkaran
L (pxl) + 1/2 x phi x r²
=(42 x 56)+ 1/2x 22/7 x 21 x 21
=(2.352)+ 11 x 3 x 21
=2.352+693
=3.045 cm²