Math, asked by captanashifa, 1 month ago

a square is divided four equal triangle is 9.what is the side of the square​

Answers

Answered by DazzleSprig
5

Answer

Correct option is

D

27

3

Knowing that the triangle is equilateral makes everything easier: the heights are also medians.

Let the sides of triangle be a and h be the median

the triangle can be divided into two congruent right triangles and according to pythagorams theoram a

2

=h

2

+(

2

a

)

2

,so (

4

3

)a

2

=h

2

i.e a

2

=(

3

4

)h

2

thus we get that side is given by a=

3

2

3

h

=

3

2

3

×9=6

3

d

now the area

A=

2

a×h

=

2

3

2

3

h

h

=

3

3

h

2

=

3

3

81=27

3

Answered by pudaykiran
1

Answer:

sorry and tell the answer

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