tolong ya pake cara sekalian ya makasih

Please, let me answer your question :)
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Diketahui :
- d1 = 9 + 9 = 18 cm
- d2 = 15 + 7 = 22 cm

Ditanya :
- L =..?

L = ½ x d1 x d2
L = ½ x 18 x 22
L = 9 x 22
L = 198 cm²

Yg B jawabannya.

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Heil Manstein!

Luas layang2=1/2×d1×d2
=1/2×(7+15)×(9+9)
=1/2×22×18
=198 cm2(b)
Semoga membantu
Maaf kalau salah