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3 years ago

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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