Can someone please help me? thank you!
The area of the first will be the ratio of the square of the scale factor of the first figure to the second tmes the area of the second....so we have...
(15/21)^2 * 196 =
(5/7)^2 * 196 =
(25/ 49) * 196 =
(196/4) * 25 =
4 * 25 =
100 in^2
