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lisov135 [29]
3 years ago
9

Identify m<1, m<2, and m<3! help me please :,(

Mathematics
2 answers:
avanturin [10]3 years ago
3 0

Answer:

m<1 = 51°

m<2 = 18°

m<3 = 123°

Hope this helps

KonstantinChe [14]3 years ago
3 0

Answer:

angle 1: 51 angle 3: 123, angle 2: 18, angle 4: 39

Step-by-step explanation:

First lets find angle 1: We can see that the triangle already has 2 angles filled in, so remember that triangles are 180 degrees total. Now we take 72+57=129 degrees. Now 180-129=51 degrees that were missing.

Angle 3: angle 57 and angle 3 will add up to 180 degrees, because it is a line. So all we need to do is subtract 180-57=123 degrees.

Angle 2: We see that there is a right angle on that corner, so we already have 72 degrees. Take 90-72= 18 degrees.

Angle 4: We know angles 3 and 2, so add them up: 123+18=141. Triangles add up to 180 degrees, so 180-141=39 degrees for the missing angle.

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