4. overline BK has endpoints B(1, 4) and K(4, - 3) . Rotate overline BK clockwise 270 degrees about the origin. Part A: Write an algebraic description of the transformation of overline BK . Part B: What are the endpoints of the new line segment ?

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The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

In each of the cases that follow, the magnitude of a vector is given along with the counterclockwise angle it makes with the +x axis. use trigonometry to find the x and y components of the vector. also, sketch each vector approximately to scale to see if your calculated answers seem reasonable. (a) 50.0 n at 60.0°, (b) 75 m/ s at 5π/ 6 rad, (c) 254 lb at 325°, (d) 69 km at 1.1π rad.