Led
What is the sum of the angle measures in this shape?

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

With number 11 ( show how you got the answer)

Factor the polynomial. b^2 + 4b + 4