Hoe groot is hoek α ?
|
A. 30° |
B. 40° |
C. 50° |
D. 60° |
E. 70° |
[ 2-8539 - op net sinds 1.1.2020-(E)-2.11.2023 ]
Translation in E N G L I S H
What is the measure of angle α ?
|
A. 30° |
B. 40° |
C. 50° |
D. 60° |
E. 70° |
Oplossing - Solution
90° + 140° + (180° − α ) = 360°
230° + 180° − α = 360°
410° − 360° = α
α = 50°