A right triangle has an area of 24 ft^2 the dimensions of the triangle are increased by a scale factor of 6
A.48ft^2
B.72ft^2
C.144ft^2
D.864ft^2
original:
base --- b, height --- h
area = (1/2)bh = 24
bh = 48
new triangle:
base ---6b, height ----6h
new area = (1/2)(6b)(6h) = 18 bh = 864