Question

solved the problem please ​

Answer 1

Answer:

hello

Step-by-step explanation:

pi=3.14 its constant

7sq= 49

so,

3.14×49÷20×40

= 153.86

and

so,

3.14×49÷20×40

and

20×40

800

so,

153.86÷800

= 0.192325

make as brainllist

dani