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If ABCD is a rectangle find angle ABD​

If ABCD is a rectangle find angle ABD​-example-1
User Adireddi
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1 Answer

4 votes

Answer:

61 degrees

Explanation:

First, find x. CBD=BDA

x+18=4x-15

x=11

Four interior angles of a rectangle are all 90 degrees. So to find ABD, subtract CBD from 90 degrees. So 90-29=61 degrees.

User Reshat Belyalov
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