If parallelogram JKLM is rotated 270° counterclockwise around the origin, what are the coordinates of the endpoints of the side
congruent to side KL in the image parallelogram? A. K’(-4, -6); L’(3, -3) B. K’(6, 4); L’(3, 3) C. K’(-6, -4); L’(-3, -3) D. K’(-4, 6); L’(-3, -3)
2 answers:
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Answer:
The surface area of the cone is 126π cm².
Step-by-step explanation:
The surface area of a cone can be found using this formula:
- where r = radius and l = slant height
In this problem, we are told that the cone has a radius of 9 cm and a slant height of 5 cm.
Substitute these values into the formula for the surface area of a cone.
The surface area of the right cone is 126 π cm².