Answer:
Step-by-step explanation:
Given
See attachment
Required
The area of the semicircle
First, we calculate the hypotenuse (h) of the triangle
Considering only the triangle, we have:
--- cosine formula
Make h the subject
The area of the semicircle is then calculated as:
This gives:
Hi!
The sum of all angles on a line is 180 degrees.
y = 180 - 2x
Hope this helps!
Answer: 231.3 repeating!
Step-by-step explanation: I used the calculator
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