1. Which diagram shows the construction of a 45° angle

Answer:
The answer is A.
Step-by-step explanation:
I pirnt the picture out and grabbed a ruler and started looking for the answer and If you look at A. with a ruler you can tell that it is a 45° angle.
Diagram of option(B) shows the construction of a 45° angle
The arc is a portion of the circumference of a circle
In diagram of option(B),
∵ The arc constructed between two perpendicular lines
Hence, the angle is 45°
Diagram of option(B) shows the construction of a 45° angle
Learn more about arc
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