Consider line segment AB. This is reflected about the point (4,4) to form A'B'. The line segment AA' is the same line segment as the dilation of AB by a scale factor k with the center of dilation at the origin. Find K

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me