Question

The dimensions of a photograph are The dimensions of a photograph are 30cm × 20cm. What length of wooden frame is needed to frame the picture?​

Answer 1

Answer:

perimeter of photograph = 2(l+b)

= 2(30+20)

= 60 + 40

= 100 cm

Answer 2

hey there!!

Answer:

100 cm

Step-by-step explanation:

Given:

The dimensions of a photograph are 30 cm into 20 cm.

To find:

What length of wooden frame is needed to frame the picture = ?

Formula needed:

Perimeter of rectangle = 2 × (l + b)

Put the values according the given formula.

• 2 × (30 + 20) cm
• 2 × 50 cm
• 100 cm

The required length will be 100cm.

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