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Liono4ka [1.6K]
3 years ago
14

Geomtry plz help 15 points

Mathematics
1 answer:
galben [10]3 years ago
7 0

Answer:

m∠O = 41°

Step-by-step explanation:

∠NOM=∠NMO=(4y-15)° (base angles of isos triangle)

7y+2(4y-15)=180 (angle sum of triangle)

  7y+8y-30=180

       15y-30=180

             15y=180+30

                  =210

                y=210÷15

                  =14

Hence, m∠O = (4y-15)°

                      = [4(14)-15]°

                      = (56-15)°

                      = 41°

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Answer:

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Step-by-step explanation:

We need to find ∠1, 2 and 3

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Angle 1 and 126 are supplementary angles.

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Now, ∠1 ≅ ∠2, because they are corresponding angles and if traversal cut parallel lines, corresponding angles are congruent.

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