CONCEPTS: The question tests on the basics of Geometry and basic formulas of Geometry
SOLUTION:
In the right angled triangle EDF:
ED^2 +EF^2 = DF^2
Thus EF^2= 13^2 - 5^2
=>EF =12 units
Perimeter =12+5+13= 30 units (OPTION C)
Modified on: Tue, 12 Oct, 2021 at 2:05 PM
CONCEPTS: The question tests on the basics of Geometry and basic formulas of Geometry
SOLUTION:
In the right angled triangle EDF:
ED^2 +EF^2 = DF^2
Thus EF^2= 13^2 - 5^2
=>EF =12 units
Perimeter =12+5+13= 30 units (OPTION C)
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