Question

Please answer a lot of points

Answer 1

The answer is

20

Explanation: since they are similar, 10 x 4 = 40 and 40 divided by 2 would equal 20.
2 x 20 = 40

Answer 2

Solution given:

Since rectangle ABCD is similar rectangle RSTU .Its corresponding side will be proportional.

so

length AB and ST

breadth AD and SR

`(AB)/(AD)=(ST)/(SR)`

`(10)/(4)={x}{2}`

x=
`(10*2)/(4)=5`

:.value of x is 5