Question

= 10 - 12 cm = 24 cm = 12 cm, h = 12 cm
Surface area of the resulting cuboid
2016 - - Irl)=204 12 - 12 x 12 + 12x 24)
- CSS - Là gg - 20 = 1440 cm
12 cm
120
EXERCISE 17 (A)
Find the surface area of each of the cuboids whose dimensions are given below:
(iv)
(V)
(vi)
5
1.7 cm
16 cm
2
4cm
8 cm
3 m
8 cm
5 cm
2.3 cm
10-
6 cm
nd the surface area of the following cubes :
= 8 cm (b) = 12 cm (c) I= m (d) 1 = 5 dm
(e) 1 = 1.2 m​

Answer 1

Answer:

Euler's formula for solids ⇒ Faces+ Vertices− Edges =2

The given solid in the image is a Cuboid

∴ Faces of the cuboid =6

Vertices=8

Edges =12

putting these values in Euler's formula ⇒6+8−12=2

Hence, Verified.