Question

the area of rectangle is calaculated by using formula​

Answer 1

Answer:

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Step-by-step explanation:

Area of rectangle is the region covered by the rectangle in a two-dimensional plane. A rectangle is a 2d shape which has four sides and four vertices.

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Area of Rectangle Formula.

The formula for the Area of a Rectangle

The perimeter of a Rectangle P= 2(l + b)

Area of a Rectangle A = l × b

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Answer 2

Answer:

the formula for finding area of triangle is =√s(s-a)(s-b)(s-c)

Step-by-step explanation:

this is formula

but Iam sure you are confusing on formula .yes this s is semi perimetre and a,b,c is sides of triangle . now how to find this semiperimetre first take perimetre and divide it by 2 ok all confusions over .I hope so