Question

answer the above 3 question​

Answer 1

Answer:

8) option c

I will answer other questions later

Step-by-step explanation:

8) Diagonal=a

Diagonal²=Height²+Hypotenuse of base²

Let the side of the cube be x

Diagonal²=Height²+Hypotenuse of base²

a²=x²+(x√2)²

a²=x²+2x²

a²=3x²

x=a/√3

Volume of cube

=(x)(x)(x)

=(a/√3 cm)(a/√3 cm)(a/√3 cm)

=a³/3√3 cm³