Two questions please help?
2 answers:
Answer:
The area of triangle PQR is

Step-by-step explanation:
we know that
The area of a triangle is equal to

see the attached figure to better understand the problem
we have


Find the length side of segment PS
In the right triangle PSR

Solve for PS

we have

substitute

Find the area of the triangle PQR


21.5, just took the test!!!!
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Step-by-step explanation:
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Answer:
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The period of the function is 2pi
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Step-by-step explanation:
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