263,351 views
28 votes
28 votes
300
O
3) What is the value of x?
69'
7090
7100
3D

300 O 3) What is the value of x? 69' 7090 7100 3D-example-1
User Ankit Mehta
by
2.6k points

2 Answers

13 votes
13 votes

y = 147° ( Vertically opposite angles)


y + x + x = 180° \\ 147 + 2x = 180° \\ 2x = 180 - 147 \\ 2x = 33 \\ x = (33)/(2) \\ x = 16.5

300 O 3) What is the value of x? 69' 7090 7100 3D-example-1
User Nuriel
by
3.4k points
16 votes
16 votes

Answer:

71°

Explanation:

exterior angle = sum of two opposite interior angle

142°=2x°

x°=142°/2

x°=71°.

hope this helps you.

User Max Kim
by
2.8k points