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Question

Fill can/cannotin the given blank.

We ________ construct ABCwhen AC=2.5cm,AB=6cmand BC=4.2cm


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Solution

For constructing a triangle, thesumoflengthsofanytwosidesofatriangleisgreaterthanthethirdside.

Step-1: Add sides AC,ABand compare with BC

AC+AB2.5+68.5cm

BC=4.2cm

So, AC+AB>BC

Step-2: Add sides AB,BCand compare with AC

AB+BC6+4.210.2cm

AC=2.5cm,

So, AB+BC>AC

Step-3: Add sides AC,BCand compare with AB

AC+BC2.5+4.26.7cm

AB=6cm

So, AC+BC>AB

Here, thesumoflengthsofanytwosidesofatriangleisgreaterthanthethirdside.in all three cases.

Hence, We canconstruct ABCwhen AC=2.5cm,AB=6cmand BC=4.2cm


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