Question

can someone help me with this


What will be the perimeter and the area of the rectangle below if it is enlarged using a scale factor of 7.5? (1 point)



Perimeter = 58 cm, area = 209.25 cm2
Perimeter = 58 cm, area = 2,700 cm2
Perimeter = 210 cm, area = 2,700 cm2
Perimeter = 210 cm, area = 209.25 cm2


https://ave.brainhoney.com/Resource/44759031,0/Assets/86009_553670c5/mjmath2_pretest_m5_g3_c1.jpg - picture

Answer 1

Hi again :)

Answer 2

First thing, lets multiply the dimensions by 7.5, what do we get

Answer 3

45 and 60

Answer 4

Good, so we have to find the perimeter we add all the sides of the rectangle, so it gives you the distance around the shape. And area of a rectangle is \[A_{rectangle} = length \times width\]