Math collection. https://pixabay.com/en/math-symbols-blackboard-classroom-1500720/

Geometry: Area and Perimeter of Similar Figures

Solve mathematical and real life problems involving area and perimeter of similar figures. #geometry, based on Common Core standard #G-SRT.5, based on TEKS standard #G-10. #grade10

If the length of the side of a square is multiplied by 3, which statement is true?

The perimeter and the area are both multiplied by 3. The perimeter and the area are both multiplied by 9. The perimeter is multiplied by 3 and the area by 9. The perimeter is multiplied by 9 and the area by 3.
If the circumference of a circle decreases from 250π to 230π, then its radius decreases by:

10 10π 20 20π
What is the ratio of corresponding sides of 2 similar triangles with areas 12 and 27?

2 : 3 4 : 9 12 : 27
… and 8 more awesome questions! Check them out by clicking “Play”.