Ananshiya Ananshiya

23-11-2019
Mathematics

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What is the area of the triangle ADE in the following figure ?

What is the area of the triangle ADE in the following figure class=

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Loulakar Loulakar

23-11-2019

Answer:

Step-by-step explanation:

Hello

Area triangle DCE :

10 x (8/2) / 2 = 10 x 4 / 2 = 20 cm^2

Area triangle ABE = Area triangle DCE

Area ABCD :

10 x 8 = 80 cm^2

Area triangle AED :

Area ABCD - 2 area DCE

= 80 - 2 x 20

= 80 - 40

= 40 cm^2

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