Question

19. The length of a wooden strip required to frame a photograph of length and breadth 21 cm and 12 cm respectively would be:
A 66 cm
B. 16 cm
C. 252 cm
D. 126 cm2​

Answer 1

Step-by-step explanation:

Required length= perimeter of the photograph = 2(l+b) = 2×33= 66cm

Answer 2

Answer:

66 cm

Step-by-step explanation:

perimeter = 2(21+12)

                = 2(33)

                = 66 cm