Chapter 3 - Section 3.3 - Isosceles Triangles - Exercises - Page 161: 45

m$\angle$B=75$^{\circ}$ m$\angle$C=75$^{\circ}$

Work Step by Step

m$\angle$B=m$\angle$C m$\angle$A+m$\angle$B+m$\angle$C=180 30+2m$\angle$C=180 m$\angle$C=75$^{\circ}$ m$\angle$B=m$\angle$C=75$^{\circ}$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.