Question

The area of isosceles triangle is 5/4√11 square cm if the perimeter is 11 cm and base is 5 cm.

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

a=x,b=x,c=5

p=a+b+c

11=x+x+5

11-5=2x

6=2x

x=3

sides are 3,3,5

s= 3+3+5/2

s=11/2

area = √5.5(5.5-3)(5.5-3)(5.5-5)

area= √5.5(2.5)(2.5)(0.5)

area= √11×0.5×5×0.5×5×0.5×0.5

area= 0.5×0.5×5×√11

area= 5/10×5/10×5×√11

area= 5/4√11 is the answer