9.) m∠Q= ___^o

^{[hint 1: base angles are congruent]}

^{[hint 2: angles of a triangle add to 180]}

9.) m∠R= ___^o

^{[hint 1: base angles are congruent]}

^{[hint 2: angles of a triangle add to 180]}

10.) m∠E= m∠G= ___^o

^{[hint 1: base angles are congruent]}

^{[hint 2: angles of a triangle add to 180]}

11.) m∠A= ___^o

^{[hint 1: base angles are congruent]}

^{[hint 2: angles of a triangle add to 180]}

11.) AC = ___ ft

^{[hint: isosceles triangles have congruent legs]}

12.) m∠M =m∠N =m∠P = ___^o

^{[hint: equiangular means all 3 angles are the same and have to add to 180]}

13.) set up the equation

13.) x = ___

14.) set up the equation

^{[hint: equiangular means all 3 angles are the same and have to add to 180]}

14.) x = ___

15.) set up the equation

[draw a picture!]

^{[hint: isosceles triangles have congruent legs]}

15.) x= ___

15.) CD= CE= ___

15.) DE= ___

16.) set up the equation

[draw a picture!]

^{[hint: equilateral means all 3 sides have equal measure]}

16.) x= ___

16.) QR=RS=QS= ___

17.) set up the equation

[draw a picture!]

^{[hint: isosceles triangles have congruent base angles]}

17.) x= ___

17.) m∠J= ___^o

17.) m∠K= m∠L=___^o