EXERCISE 13.51. A matchbox measures 4 cm x 2.5 cm x 1.5 cm. What wilco

1.	EXERCISE 13.51. A matchbox measures 4 cm x 2.5 cm x 1.5 cm. What wilcontaining 12 such boxes?
Answer» Given: Dimension of matchbox = 4cm × 2.5cm × 1.5cm l = 4 cm, b = 2.5 cm & h = 1.5 cm Volume of cuboid = (l × b × h) Volume of one matchbox = Volume of cuboid Volume of one matchbox =4 × 2.5× 1.5 = 15 cm³ Volume of a packet containing 12 such boxes = 12× volume of one match box (12 ×15) cm3= 180cm³ Hence, the volume of a packet containing 12such boxes= 180 cm³

EXERCISE 13.51. A matchbox measures 4 cm x 2.5 cm x 1.5 cm. What wilcontaining 12 such boxes?

Answer»

Given:

Dimension of matchbox = 4cm × 2.5cm × 1.5cm

l = 4 cm, b = 2.5 cm & h = 1.5 cm

Volume of cuboid = (l × b × h)

Volume of one matchbox = Volume of cuboid

Volume of one matchbox =4 × 2.5× 1.5

= 15 cm³

Volume of a packet containing 12 such boxes = 12× volume of one match box

(12 ×15) cm3= 180cm³

Hence, the volume of a packet containing 12such boxes= 180 cm³