Question

only maths aryabhatta's give me answer ​

Answer 1

Answer:

392 sq cm

Step-by-step explanation:

as A , B , C , D are the mid points they divide the side into equal parts i.e 14 cm each

they are 2 methods to do this question

Method 1

Area of triangle PAB = 1 / 2 * base * height

= 1 / 2 * 14 * 14

= 98 cm²

so the area of all the traingles will be equal

so total area of triangles = 392 cm²

total area of bigger square = side * side

= 28 * 28

= 784 cm²

so area of inner square = 784 - 392

= 392 cm²

Method 2

By using the pythagoras theorem

hypo ² = 14² + 14²

hypo ² = 392

hypo = 14√2 cm

this hypo will be side of the square

so area of square = side * side

= 14√2 * 14√2

= 392 cm²

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