A rectangle has an area of 20 cm^2.  Its length and width are enlarged by scale factor 3.  Find the area of the enlarged rectangle.

Area Scale Factor = (Scale Factor)2

If the scale factor is 3 then:

ASF = 32

ASF = 9

Area of enlarged rectangle = 20x9

Area of enlarged rectangle = 180cm2

Answered by Melanie U. Maths tutor

3515 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Line A is parallel to the line 4y+12x=24. Find the equation of Line A if it passes through the point (5,40/3).


Sketch and label the graph of y=x^2 -5x+6


Express x^2 +10x -3 in the form (x + p)^2 + q


Evaluate 5/(x−1)+2/(x+4)


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences