3 years ago

My picture is my question

Mathematics

1 answer:

Sauron [17]3 years ago

5 0

Answer:

<4 = 120

Step-by-step explanation:

You first need to set <1,<2, and <3 = to 180 since the area of a triangle = 180*

3x+4x+2x=180

9x=180

x=20

Next substitute 20 for x

3(20)=60

Then subtract 60 from 180 to find <4

120=<4

<1 and <4 are complimentary <s so they both add to 180, so we can use subtraction to find what <4 is = to.

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