Which triangles are similar to triangle ABC ?

The sixth grade art students are making a mosaic using tiles in the shape of right triangles. each tile has leg measures of 3 centimeters and 5 centimeters. i f there are 200 tiles in the mosaic what is the area of the mosaic.

Evaluate cos2θ for cosθ = square root of 3/2

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq