What is the area of this regular polygon?

a.
62.5 cm2

b.
148.5 cm2

c.
1075 cm2

d.
2150 cm2

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth

I'm confused on how to solve the triangle. can someone me ?

An art teacher made a copy of a small painting. to make the painting easier to see the teacher enlarged the area of the painting by 49%. let y respresent the area of the original painting. the expression below is one way to resperesnt the area of the new painting.find two equivalent expressions that would give the area of the new painting y+0.49y