Math, asked by asha1183, 2 months ago

1. Find the area of the quadrilateral ABCD, in which AC = 36 cm. BL and DM
are perpendiculars from B and D to AC whose lengths are 16 cm and 18 cm
respectively
18 cm
36 cm
16 cm
M​

Answers

Answered by AadityaSingh01
9

Given:-

  • Diagonal AC is 36 cm.

  • Perpendiculars from B and D to AC is 16 cm and 18 cm respectively.

To Find:-

  • Area of quadrilateral.

Solution:-

Here, We have to find the area of quadrilateral ABCD.

Area of quadrilateral ⇒ \dfrac{1}{2} \times D \times ( p_{1} + p_{2})

        Where, D = diagonal length

                     p₁ and p₂ = Perpendicular drawn from remaining two vertices.

Now, Area of quadrilateral ⇒ \dfrac{1}{2} \times D \times ( p_{1} + p_{2})

                                             ⇒ \dfrac{1}{2} \times 36 \ cm \times ( 16 \ cm + 18 \ cm)

                                             ⇒ \dfrac{1}{2} \times 36 \ cm \times 34 \ cm

                                             ⇒ 612 cm²

Hence, Area of quadrilateral ABCD is 612 cm².

Some Imporatant Terms:-

  • Area of Parallelogram = Base × Height

  • Area of Square = Side²

  • Area of Rectangle = Length × Breadth

  • Area of Triangle = \dfrac{1}{2} \times Base \times Height

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