If the sum of interior angle measures of a polygon is 720, how many sides does the polygon have?

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re