Question #b376c

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Answer 1 · 2018-01-16T19:04:55

#x# is 20.

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:)