Question

Calculate the shaded area :
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Answer 1

14640 ( ans)

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Answer 2

Answer ⤵️

To calculate the shaded area = Area of bigger ∆- area of smaller ∆

Let's go with Heron's Formulae

Area of bigger ∆

s= a+b+c/2

s= 122+120+22/2

s= 266/2

s= 133

Area=√s(s-a)(s-b)(s-c)

= √133(133-122)(133-120)(133-22)

= √133×11×13×111

=√2111109

= 1452.96 m²

Now, Area of the smaller ∆

s= a+b+c/2

s= a+b+c/2s= 22+24+26

s= 72/2

s= 36

Area=√s(s-a)(s-b)(s-c)

=√36(36-22)(36-24)(36-26)

=√36×12×10×8

= √34560

= 185.90 m²

To calculate the shaded area = Area of bigger ∆- area of smaller ∆

= 1452.96-185.90

= 1267.06 m²

Step-by-step explanation:

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