Mathematics: From the above given figure, DE parallel to BC. if AD = 3cm, DB = 4cm and BC = 14cm, find DE

From the above given figure, DE parallel to BC. if

Ответ:

mpete1234567890

04.10.2021

Mathematics

DE \\ BC

So ;

$\frac{AD}{AB} = \frac{DE}{BC}$

AD = 3cm , BC = 14cm , DB = 4cm

AB = AD + DB

AB = 3 + 4 = 7 cm

$\frac{AD}{AB} = \frac{DE}{BC} \\ \frac{3}{7} = \frac{DE}{14} \\ DE = \frac{14 \times 3}{7} = \frac{42}{7} = 6$

So ; DE= 6 cm

I hope I helped you^_^

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Ответ:

acesmith

28.02.2023

Mathematics

32 I believe don’t hold me to it but Ik it’s not 16 and the other 2 don’t make sense so by thought of elimination and the fact them at 32 makes sense I would say D.32

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From the above given figure, DE parallel to BC. if AD = 3cm, DB = 4cm and BC = 14cm, find DE

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