Explain why the triangles are similar. (AA~, SAS~, SSS~). Then find the value of x.

The tile along the edge of a triangular community pool needs to be replaced? ?

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.

Which has the greater energy, light of wavelength 519 nm or light with a frequency of 5.42 x 10^8 sec^-1?