Ratio of Areas
Rectangle A has a side length of 7 in. Rectangle B has a side of 12 in. What is the ratio of the areas?
49:144
What are similar figures?
Similar figures are two figures that have the same shape, but not necessarily the same size.
Figure A has a side length of 3 cm. Figure B has a side length of 8 cm. What is the ratio of the perimeter?
3:8
The scale factor of two regular octagons is 5 : 2. Find the ratio of their perimeters and the ratio of their areas.
Ratio of perimeters is 5 : 2 ; Ratio of areas is 25 : 4
The area of the smaller regular pentagon is about 27.5cm2 . What is the best approximation for the area of the larger regular pentagon. Triangle A base is 4cm and Triangle B base is 10cm.
172cm2
Figure A has a height of 5 cm. Figure B has a height of 9 cm. What is the ratio of the areas?
25:81
What is area?
Area is a measure of how much space there is on a flat surface.
Triangle A has a side length of 6. Triangle B has a side length of 10. What is the ratio of the perimeter?
6:10
Find the ratio of perimeters and the ratio of areas, if the scale factor of two similar triangles is 2.3 : 4.5.
Ratio of perimeters is 2.3 : 4.5 ; Ratio of areas is 5.29 : 20.25
The area of a triangle is 13.4cm2. what is the best approximation for the area of the larger triangle. Triangle A base is 3. Triangle B is 7.
72.95 or ~73
Rectangle A has a length of 3 in. Rectangle B has a side of 9 in. What is the ratio of the areas?
9:81
What is perimeter?
The perimeter is the length of the outline of a shape.
Square A has a side length of 8. Square B has a side length of 15. What is the ratio of the perimeter?
8:15
Determine the ratio of perimeters and the ratio of areas, if the scale factor of square M to square N is 9 : 7.
Ratio of perimeters is 9 : 7 ; Ratio of areas is 81 : 49
The area of a square is 8.16cm2. what is the best approximation for the area of the larger square. Square A base is 10. Square B base is 15
18.36
Figure A has a side length of 8 cm. Figure B has a side length of 16 cm. What is the ratio of the area?
64:256
What is similar area?
When the ratio of the areas is equal to the square of the ratio of their corresponding side lengths.
Figure 1 has a side length of 28. Figure 2 has a side length of 47. What is the ratio of the perimeter?
28:47
Gina decorates the stairway with a couple of art paintings of similar shape. If the scale factor of art paintings is 3 : 5.2, determine the ratio of their perimeters and the ratio of their areas.
Ratio of perimeters is 3 : 5.2 ; Ratio of areas is 9 : 27.04
The area of a rhombus is 42.1cm2. what is the best approximation for the area of the larger rhombus. Rhombus A is 2. Rhombus B 8.
673.6