188k views
2 votes
Determine the missing angle.

Determine the missing angle.-example-1

2 Answers

3 votes

Answer:

50°

Explanation:

x = ?°

x + 40° = 90°

x = 90° - 40°

x = 50°

User ChrisJ
by
6.3k points
3 votes

The angle at the vertex of a rectangle is 90°

So, it means that,

= ? + 40 = 90

= ? = 90 - 40

= ? = 50

User Ziyi
by
6.2k points
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