Posted by :) on Tuesday, November 8, 2011 at 10:35am.
the ratio of the area of a smaller triangle to the area of a larger triangle is 1:4. if the are of the smaller triangle is 30, find the area of the larger triangle.

geometry  Steve, Tuesday, November 8, 2011 at 3:10pm
1:4 = 30:A
or,
1/4 = 30/A
or
4 = A/30
A = 120