Hello!!!guys I am from class 8 i have doubt in maths that The base of an issosceles triangle is 12 cm and its perimeter 32cm . find its area . chapter the parimeter and area .
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Step-by-step explanation:
Let the other side be x cm
so 2x+12=32, 2x bcoz isosceles triangle has 2 sides equal
=> 2x= 20
=> x= 10
Now let a= 10, b=10, c= 12
so S= 10+10+12/2= 16
use heron formula to get area
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