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29-09-2021
Mathematics

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can you help me please?

can you help me please class=

Respuesta :

prachidhruw07 prachidhruw07

29-09-2021

Step-by-step explanation:

we know,

angle ABD = 90° so,

Angel ABC + angle CBD = angle ABD

→ 4x + 5x = 90

→ 9x = 90

→ x = 90/9 = 10

therefore, option c 10 is correct.

hope this answer helps you dear...take care and may u have a great day ahead!

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