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plshelpme53
04.06.2020 •
Mathematics
A circle is centered at T(-6,3)T(−6,3)T, left parenthesis, minus, 6, comma, 3, right parenthesis and has a radius of 111111. Where does the point N(3,-3)N(3,−3)N, left parenthesis, 3, comma, minus, 3, right parenthesis lie?
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Ответ:
The point N lies inside the circle
Step-by-step explanation:
A circle is centered at the point T(-6,3) and has a radius of r=1.
To determine if the point N(3,-3) is inside or outside the circle, the distance between N and the point T must be lower than 11.
To calculate the distance between points T and N you use:
where x1 and y1 are the coordinates of T, and x2 and y2 the coordinates of N.
d < 11
The distance d is lower than the radius of the circle. Hence, the point N lies inside the circle
Ответ:
break it in three rectangles!
let the rectangles be A B and C
For A = 4×2
For B 3× (4-2)
For C = 4×3
Total area 26cm²