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

MU
Answered by Melanie U. Maths tutor

4582 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Calculate the largest share when £400 is shared in the ratio 1 : 2 : 5.


A rectangle is made up of the equations; For the longer spans: 5x-12y+16 and 5y-4x+20; for the shorter spans: 2x-4y+4 and 3x-2y-12


A family go into a shop, they buy three sandwiches and two packets of crisps. It costs them £9. Another family buy five sandwiches and six packets of crisps. It costs them £19. How much does two sandwiches and five packets of crisps cost?


Can you make 'p' the subject of the following equation? 4(p-2q)= 3p+2


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning