nuranissa1002
nuranissa1002 nuranissa1002
  • 16-02-2021
  • Mathematics
contestada

hitunglah luas permukaan balok dengan ukuran sebagai berikut
a. 8 cm × 4 cm × 2cm
B. 8 cm × 3 cm × 4 cm ​

Respuesta :

ADVENTUROUSBOY
ADVENTUROUSBOY ADVENTUROUSBOY
  • 16-02-2021

jawaban

a. = 112 cm²

b. = 136 cm²

penjelasan langkah demi langkah( step by step explanation )

Total Luas Permukaan = 2 (Panjang x Lebar + Lebar x Tinggi + Panjang x Tinggi)

a.Luas Permukaan = 2( 8×4 + 4×2 + 2×8 )

= 2 ( 32 + 8 + 16 )

= 2 × 56

= 112 cm²

b.Luas Permukaan = 2( 8×3 + 3×4 + 4×8 )

= 2 ( 24 + 12 + 32 )

= 2 × 68

= 136 cm²

Answer Link

Otras preguntas

Add. (6x3+3x2−2)+(x3−5x2−3) Express the answer in standard form.
zzzxxzzzzzxzxxxxxxxxxxxx
100 pts!!! HALP MEH!!! In 1848, news of the liberal, nationalist revolt in _____ spread quickly and sparked similar revolts across the continent of Europe. Sel
If (A, B) is the solution to the system of equations shown above, and A and B are integers, then what is the value of A+B? A) -12 B) -6 C) 0 D) 6
In 1970 how did president Nixon try to break the stalemate in the peace process?
8cos20°.cos40°.cos80°=1​
any type of pollutions
Which 3 locations completed the triangle
roses are red, while violets are blue, but neither are purple. which word best describes the first two line endings of this poem? A. blank B. Enjambed C. End-s
find the sum of the line that passes through the points -4 -4 and 4 8