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

4168 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the equation (2x-1)/3 + (x+2)/2 +x/6 = 8


How to find conditional probability


Sketch the curve y = x^2 - 6x + 5, identifying roots and minima/maxima.


Find the coordinates of the turning point of the graph y=x^2 -x -12. Use it to sketch the graph on a set of x-y axis.


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:

© 2025 by IXL Learning