Question

6. In a square ABCD if AB= 3x-7 and BC= x+3, find the length of AD.

Answer 1

Step-by-step explanation:

In square, ABCD, AB=BC=CD=AD

∴3x−8=x+6⇒3x−x=6+8⇒2x=14

x=7

∴AB=3×7−8=13cm

Length of each side of square =13cm.

Answer 2

ʜᴇʟʟᴏ ʜᴇʀᴇ ɪs ᴜʀ ᴀɴsᴡᴇʀ

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In square, ABCD, AB=BC=CD=AD

∴3x−8=x+6⇒3x−x=6+8⇒2x=14

x=7

∴AB=3×7−8=13cm  

Length of each side of square =13cm.