Question #b376c

1 Answer
Jan 16, 2018

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:)