Question

42. Write an addition sentence about

the angle measures. Use an unknown (x)
for one angle measure.
С
х
Then solve it.
29°
B
А
D

Answer 1

180-29=151

Explanation:

Answer 2

151°

Answer:

Question

42. Write an addition sentence about the angle measures. Use an unknown (x) for one angle measure. Then solve it.

Solution given;

∡BAC=29°

∡CAD=x

we have

∡BAC+∡CAD=180°[ sum of angle of linear pair is 180°]

29°=x=180°

x=180°-29°=151°

Explanation: