Question

4. Solve the following questions.
(a) Find the area of the trapezium in Fig. 4.
H
(4 x 2 = 8 marks)
F
80 units
50 units
22.3 m
100 units
B В​

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.