Page 37 - NUMINO_WB_5B
P. 37
120-B4-1
Sum of Interior Angles
1. Fill in the blank.
Example
The sum of the interior a. b.
angles of a triangle is
180°. a 61
b
a
55 37 a b
b ab ab
c. d. e. b
a 111
b 25 b
ab a a
ab
ab
f.
a g. h.
a b 38 b
129 a
b 43
ab ab ab
Sum of Interior Angles
1. Fill in the blank.
Example
The sum of the interior a. b.
angles of a triangle is
180°. a 61
b
a
55 37 a b
b ab ab
c. d. e. b
a 111
b 25 b
ab a a
ab
ab
f.
a g. h.
a b 38 b
129 a
b 43
ab ab ab
