Question

Find the area for these quadrilaterals​

Answer 1

In quadrilateral (i) :

Area of quadrilateral = Area of both triangles

=> 1/2 × 6 × 3 + 1/2 × 6 × 5

=> 3 × 3 + 3 × 5

=> 9 + 15

=> 24 cm²

In quadrilateral (ii) :

Since the quadrilateral has all its sides equal , Therefore It is a square.

Area of quadrilateral = Side²

=> (4)²

=> 16 cm²

In quadrilateral (iii) :

This quadrilateral is a rectangle because It's opposite sides are equal.

Area of quadrilateral = Length × Breadth

=> 4 × 5

=> 20 cm²

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