Question

Help me with the problem please!!

Answer 1

Explanation:

Scale factor red to blue meaning 42 to 7

42÷7=6

Scale factor is 6

Perimeter of the blue quadrilateral = ?

If perimeter of red = 204

Then we use this following proportion

`204 / 42 = x / 7`

`(204)/(42) = (x)/(7)`

Then we cross multiply

42x=7×204

42x=1428

x=34

Area of the blue quadrilateral = ?

If area of the red quadrilateral = 2880

Then we use the following proportion

`2880 / 42 = x / 7`

`(2880)/(42) = (x)/(7)`

Then we cross multiply

42x=2880×7

42x=20160

x=480