Two triangles have a scale factor of 5:7, If the area of the smaller triangle is 225cm squared what is the area of the larger tr
iangle
1 answer:
Answer:
441
Step-by-step explanation:
The ratio of sidelengths squares is the ratio of the areas, so the ratio of the area of the smaller triangle's area to the larger triangle's is 25:49.
Using ratios, you figure out that the area of the larger triangle must be 225/25 *49, which is equal to 9*49 = 441
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