Shari does not like his arrangement. She gets him to lay them out like a cross. What is the perimeter of her arrangement ​

What is the measure of angle tvu shown in the diagram below

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?