An equilateral triangle has an altitude of 2√3in. and a perimeter of 12 in. what is the area of the triangle?

With alll of except for the 2 that i did already

Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).

Triangle dog was rotated to create triangle d'o'g'. describe the transformation using details and degrees.