SOLUTION: A triangle has an area of {{{ 12m^2 }}}. If the base of the triangle is doubled, but the altitude to the base is unchanged, what is the new area?

Algebra ->  Surface-area -> SOLUTION: A triangle has an area of {{{ 12m^2 }}}. If the base of the triangle is doubled, but the altitude to the base is unchanged, what is the new area?      Log On


   

Question 260459: A triangle has an area of +12m%5E2+. If the base of the triangle is doubled, but the altitude to the base is unchanged, what is the new area?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
a=1/2*bh
we double the base but not the height
a=1/2*2b*h
a=bh
so we doubled the area
24m^2