For each of the following figures, find the area of the blue region(s).
c. 45 cm²
d. 150,96 cm²
Penjelasan dengan langkah-langkah:
c. L = L.trapesium - L.segitiga
= 1/2 x (9+17) x 12 - 1/2 x 17 x 6
= 1/2 x 16 x 12 - 51
= 96 - 51
= 45 cm²
d. L = L.jajaran genjang - L.lingkaran
= 12 x 22 - 3,14 x 6 x 6
= 264 - 113,04
= 150,96 cm²
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