The figure shown in the right is made up of a square and a circle. Find the perimeter of the shaded region.
2 answers:
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Answer:
Step-by-step explanation:
The figure shows a right triangle.
To calculate the measure of the angle A, you can use the inverse trigonometric function arctangent:
Identify the angle , the opposite side and the adjacent side:
Substitute into .
The measure of the angle A is:
Rounded to the nerarest hundreth:
Answer:
for x < 0 x^2 - 2
for x 0 2x + 1
Step-by-step explanation: