A scale drawing of a rectangular park had a scale of semi-90 m. 8.3 cm -6.9 cm- What is the actual perimeter of the park in meters? Help me

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

A. 10.8 cm^2 b. 5.4 cm^2 c. 7.4 cm^2 d. 21.6 cm^2