All the Real Indians Died Off: And 20 Other Myths About Native Americans (Myths Made in America)

All the Real Indians Died Off: And 20 Other Myths About Native Americans (Myths Made in America)

Matematika perhatikan gambar segilima disamping.
Hitunglah:
a.panjang CT
b.keliling ABCTD

tolong bantu ☺️​

perhatikan gambar segilima disamping.
Hitunglah:
a.panjang CT
b.keliling ABCTD

tolong bantu ☺️​

Penjelasan dengan langkah-langkah:

Panjang CT =

[tex] \sqrt{ {to}^{2} + {oc}^{2} } = \sqrt{ {5}^{2} + {12}^{2} } = \sqrt{25 + 144} = \sqrt{169} = 13 \: cm[/tex]

keliling ABCTD =

[tex]2(lebar) + panjang \: persegi+ 2(panjang \: ct) = 2(18) + 24 + 2(13) = 36 + 24 + 26 = 86 \: cm[/tex]

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