< 1 and < 2 are vertical angles...because they are opposite angles made by two intersecting lines
< 3 and < 4 are adjacent....because they have a common side and a common vertex
The area of the semicircle is A = 1187.9 cm².
<h3>What is the area of a circle?</h3>
The area of a circle with a radius of r is A = πr².
Given that, the diameter of the semicircle is 55 cm.
The radius of the semicircle is,
r = 55/2
The area of a semicircle is given by,
A = (1/2)πr²
Substitute the values,
A = (1/2)π(55/2)²
A = 1187.9
Hence, the area of the semicircle is A = 1187.9 cm².
Learn more about the area of a circle:
brainly.com/question/22964077
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It wouldn't let me post the answer. See images for the answer and explanation
Answer:
Coordinates: (2, -1)
Part A
X coordinate is positive
Y coordinate is negative
Part B
Coordinates after Y-axis reflection: (-2, -1)
X coordiate is negative
Y coordinate is negative
Good luck!
