Question

The length of a rectangular chart is thrice its breadth. The perimeter of the chart is 168 cm. What is the length of the chart and Find the area of the chart if b is the breadth of the chart?

Answer 1

Answer:

ᴄʟᴀꜱꜱ 4 ᴡʀɪᴛᴇ ᴇᴠᴇɴ ɴᴜᴍʙᴇʀꜱ ᴏᴄᴄᴜʀɪɴɢ ʙᴇꜰᴏʀᴇ ᴀɴᴅ ᴀꜰᴛᴇʀ ᴛʜᴇ ꜰᴏʟʟᴏᴡɪɴɢ ɴᴜᴍʙᴇʀ

Answer 2

Answer:

length=126cm

breadth=42cm

Area of chart=5292cm²

Step-by-step explanation:

let the breadth be =x

then the length =3x

now

perimeter of the chart=168cm

x+3x=168cm

4x=168cm

x=168cm÷4=42cm

therefore x=42cm and 3x=3×42=126cm

then the area of chart =(l×b)

=(126×42)

=5292cm²

I HOPE IT IS HELPFUL FOR YOU