68) Find rectangle area #maths #geometry #olympiad

Рет қаралды 5,648

5 ай бұрын

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Пікірлер: 14

@QuatorzMars-wq9ro 5 ай бұрын

@shaileshsachan5830 5 ай бұрын

Wahhhhhh

@misterenter-iz7rz 5 ай бұрын

2/8=1/2^2，the upper rectangle's area is 2×(2+4)=12, the lower one is 2×(8+4)=24, so the answer is 36.😊

@SriCaitanyaSiksamrtam 5 ай бұрын

Traingle with area 2 when reflected about DB makes quad of area 4 Similarly tri. With area 8 when reflected about DB makes quad of area 16. Assume both reflected quads to be square with lengths a and b thus respective areas a^2 and b^2. Now areas of remaining 2 quads come out to be ab each which becomes 2ab. Thus outer square becomes square of length a+b and it's area gives expansion of (a+b)^2 This approach is graphical proof of expansion of (a+b)^2

@relishmath5632 5 ай бұрын

woow . . great