Question

4. A rectangular mirror is 30 cm long
and 20 cm wide. A wooden frame is to
be fixed around it. Find the total
length of the frame.​

Answer 1

Answer:

100 cm

Step-by-step explanation:

• $total \: length \: of \: frame = perimeter \: of \: rectangle$
• $perimeter \: of \: rectangle = 2(length + breadth)$
• $= > 2(30 + 20)$

$= > 100cm$

• I hope it will help you. Thank you