WILL GIVE BRAINLIEST! What is the measure of the angle formed by the lines 2x–7y+6=0 and 14x+4y–17=0?

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

What is the area of the triangle 10 13 12

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much