3 years ago

Please help me, the attachment is below. (If you don't know the answer to the question please don't answer)

Mathematics

1 answer:

Phantasy [73]3 years ago

7 0

Answer:

Step-by-step explanation:

The three angles of a triangle always have to equal 180 in the end, so if you use the method which is the 4 in this instance, it is an obtuse angle that is equal to the top and left angle. You can add 1 and 2 to get 4, and do 4-3 to get 1+2, So, 4=1+2.

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