Answer:
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Answer:
P' (9 , 2)
Step-by-step explanation:
(x , y) -> (-y , x)
P (2 , -9) -> P' (9 , 2)
The length the hypotenuse of an isosceles right triangle, or a 45-45-90 triangle, is always radical two times as long as any leg of the triangle. With this, we can set up an equation where x represents the length of a leg.
x

= 8

divide both sides by
x = 8
The length of a leg of the triangle is 8
Answer:
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