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leonid [27]
3 years ago
8

What is measure of angle ABD ?

Mathematics
1 answer:
Anna007 [38]3 years ago
5 0

Answer:

21

Step-by-step explanation:

According to the diagram we can prove that the two triangle are congrunt use ing HL,so that 3x+9=45-6x

x=4

SO angel ABD is 21

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