Question

Question #b376c

Answer 1

`x` is 20.

Explanation:

Applying principles of similarity between the smaller and the larger triangles `rarr`

We get one common angle,two pairs each of two equal angles.

So, ratio of lengths of sides are comparable `rarr`

`color(red)(10/(5x+10)=11/121)`

`:.5x+10=11xx10`

`:.5x+10=110`

`:.5x=100`

`:.color(red)(x=20)`....(Answer).

Hope it Helps:)