Multiple choice

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

  1. 100 cm

  2. 600 cm

  3. 50 cm

  4. 120 cm

  5. -

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct answer. The length of the wooden frame is the perimeter of the picture. L = 30 cm, B = 20 cm Perimeter = 2(L + B) = 2(30 + 20) = 2 X 50 = 100 cm The length of the wooden frame is 100 cm.