Question

Find the value of 'x'.

A. 21
B. 49
C. 3
D. 7
7 cm
3x cm
x cm
21 cm

Answer 1

7 cm

im pretty sure u need to add more information to this question, but imma assume an answer

so if it's a square

21cm = 3xcm

7cm = xcm

so x = 7