Kak tolong jawab no 7 sama no 8..aku kasih 10 point..yang benar ya ka​

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Kak tolong jawab no 7 sama no 8..aku kasih 10 point..yang benar ya ka​

Kak tolong jawab no 7 sama no 8..aku kasih 10 point..yang benar ya ka​

Jawaban:

8.

luas gabungan

Lp = 6 X s x s = 6 × 13 × 13 = 1014 cm^2

Lp = 2( pl + pt + lt )

= 2 (45 × 13 + 45 × 17 + 13 × 17)

= 2 ( 585 + 765 + 221 )

= 2(1571)

= 3.142 cm^3

luas gabungan 1.041 cm^2 + 3.142 cm^2 = 4.156 cm^2

7.

Lp = 6 x s x s = 6 x 13 x 13 = 1014 cm^2