Page 26 - TB_5B

1 . Find the measure of the unknown angle.

a. b. Ø
125Ø
110Ø 70Ø
45Ø 40Ø
Ø
70Ø

c. d.

87Ø Ø
Ø
80Ø 135Ø
65Ø
f. Ø
e.
98Ø
120Ø Ø

60Ø 80Ø

2 . Find the sum of the marked angles.

a. b.

ØØ

18. The Sum of the Angles in a Polygon 15