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Worksheet Spiral with triangles Cristi and Ana - Jean Monnet HS, RO

This image is inspired by Op Art -Victor Vasarely. The initial triangle is equilateral with side 8u. Each triangle, starting with the second, has its vertices located on the sides of the previous triangle, the side 0.8 times smaller and is rotated by n=8 degrees.

The area of ​​triangle ABC is:

Бүх хариултаа тэмдэглэнэ үү
  • A
  • B
  • C
  • D
Миний хариултыг шалга (3)

The ratio of two consecutive areas (for example A_2/A_1, A_3/A_2, etc.)

Бүх хариултаа тэмдэглэнэ үү
  • A
  • B
  • C
  • D
Миний хариултыг шалга (3)