Find the ratio of the perimeters. Find the area of the smaller octagon. An octagon has a side length of 15 feet and an area of 1089.6 ft 2.

1A.Find the ratio of the perimeters.

1B.Find the area of the smaller octagon.

An octagon has a side length of 15 feet and an area of 1089.6 ft 2. Find the area of a smaller octagon that has a side length of 7 feet.

1C.The polygons shown are similar. Find the ratio (shaded to unshaded) of their perimeters and of their areas.

1D.A regular octagon has an area of 49 m2. Find the scale factor of this octagon to a similar octagon with an area of 100 m2.

2A.The ratio of the lengths of corresponding sides of two similar triangles is 5 : 8. The smaller triangle has an area of 34 square centimeters. What is the area of the larger triangle? Round to the nearest whole number.

2B.The ratio of the lengths of corresponding sides of two similar rectangles is 3 : 5

The larger rectangle has an area of 75 square centimeters. What is the area of the smaller rectangle? 

2C.The ratio of the areas of two similar figures is 32 : 50. What is the ratio of the perimeters?

2D.Find the value of "x".

2E Find the value of "x".

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