Question

Geomtry plz help 15 points

Answer 1

m∠O = 41°

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°