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3 votes
Can you help me please?

Can you help me please?-example-1
User Donielle
by
3.9k points

1 Answer

4 votes

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!

User Andriy K
by
3.5k points