Question

guys please help it's urgent and explain please that how you did it please please please please please help give correct answer only ch=heron's formula​

Answer 1

herons formula = √s (s - a) ( s- b) (s - c)

adjacent sides are sides having one point common or making the corner

So, the two sides and diagonal makes a triangle

by using herons formula we can find the area of half of the parallelogram ( two triangles is equal to one parallelogram) -

but for finding area first we need s .

s = perimeter of triangle upon 2

s = 74 + 40 + 102 /2 =165

now we can find the area

Area = √s (s - a) ( s- b) (s - c)

inserting values we get

= √165(165-74)(165-40)(165-102)

= 91.1cm square

Now area of parallelogram is equal to two triangle

So we get

91.1*2=182.2 cm square

HOPE THIS WAS HELPFUL FOR U

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Answer 2

Answer:

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