If the area A of a triangle is 72, and the height h is equal to the length of the base b, what is the length of the base? A= 1/2 bh

Select one
A. 9
B. 12
C. 11
D. 5

Taking algebra two apex courses and need with these questions

Here is my question! jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units