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Matematika
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Pertanyaan
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2 Jawaban
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1. Jawaban nanat6
[tex]rumus luas segitiga = \frac{1}{2} \times a \times t = \frac{1}{2} \times 10 \times 8 = 40cm^{2} [/tex] -
2. Jawaban 64aliefahzamiya
4.
luas bangun 1 (persegi panjang)
L = P x L
= 16 x 14
= 224 cm2
luas bangun 2 (1/2 lingkaran)
L = 1/2 x [tex] \pi [/tex] d/2 x d/2
= 1/2 x 22/7 x 14/2 x 14/2
= 77 cm2
luas gabungan
L gab = L1 + L2
= 224 + 77
= 301 cm2