Question

Find the value of x in the given triangle

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Answer 1

Answer:

Lk=lm

Klm=90°

The Triangle is an isosceles right angled triangle.

Therefore,

Angle k=angle m=(180-90)/2=45°

X=180-45=135°

Hope it helps...

Answer 2

as it's an isocelese triangle, so let angle K and M be y

90+y+y = 180°(angle sum property)

90+2y = 180°

y = 90/2

y = 45°

x = 180-angle M (linear pair)

x = 180-45

x = 135°