III. Regents Questions
9) In the diagram below, ΔLMO is isosceles with LO=MO.
If m∠L=55 and m∠NOM=28, what is m ∠N ?
(1) 27
(2) 28
(3) 42
(4) 70
10) In the diagram below of isosceles ΔABC, the measure of vertex angle B is 80⁰. If AC extends to point D, what is m∠BCD?
(1) 50
(2) 80
(3) 100
(4) 130
11) In the diagram below of ΔA B C, AB = AC, m ∠A=3x, and m∠B=x+20. What is the value of x?
(1) 10
(2) 28
(3) 32
(4) 40