Page 32 - NUMINO_WB_5B
P. 32
120-B1-2
2. Find the measures of the unknown angles. Then, compare them.
Example
The sum of the interior angles of a triangle is 180°.
27 48 92 38
a b
a. 21
a b
30
70 40
47
b. 88 b
112 a 63
33 60
c. b
a
44 51
2. Find the measures of the unknown angles. Then, compare them.
Example
The sum of the interior angles of a triangle is 180°.
27 48 92 38
a b
a. 21
a b
30
70 40
47
b. 88 b
112 a 63
33 60
c. b
a
44 51
