The perimeter of an issoceles triangle is 21m with two equal sides of 6m each.Find the length of the third side.
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perimeter of an issoseles triangle =21m
each side of the triangle =6m
third side =21
----------
2
= 10.5
each side of the triangle =6m
third side =21
----------
2
= 10.5
Answered by
1
Step-by-step explanation:
Perimeter of an isoceles∆ = 2a + b
=> 21 = 2*6 + b
=> b = 21-12
=> b = 9 ans.
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