Pertanyaan :
Jawaban :
32. luas 1/4 lingkaran + persegi panjang
= (1/4 x
r²) + p x t
= ( 1/4 x 3,14 x 20²) + (20 x 8)
=314 + 160
=474 (jawaban a)
= (1/4 x
= ( 1/4 x 3,14 x 20²) + (20 x 8)
=314 + 160
=474 (jawaban a)
33. (jawaban a)
34. Luas Permukaan balok = 2 (pl + pt + lt)
= 2(96 + 60 + 40)
=2(196)
=392 (jawaban c)
35.
36.155 – ( 40 +30+20+25+35)
=5