evenwijdig
parallel
α
140°
gricha - v8539 - 2.8.2022
Hoe groot is hoek α ?
A. 30°
B. 40°
C. 50°
D. 60°
E. 70°
[ 2-8539 - op net sinds 1.1.2020-(E)-29.4.2025 ]
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°