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matrenka [14]
3 years ago
8

4.

Mathematics
1 answer:
tiny-mole [99]3 years ago
8 0

Answer:

7

Step-by-step explanation:

7 =2 hx x e

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{ \tt{ {(hypotenuse)}^{2} =  {(adjacent)}^{2}  +  {(opposite)}^{2}  }} \\ { \tt{ {(7 + 3)}^{2}  =  \{( {x}^{2} + 9) \} {}^{2} +  {y}^{2}   }} \\ { \tt{100 = ( {x}^{4}  + 18 {x}^{2} + 81) +  {y}^{2}  }} \\ { \tt{ {y}^{2}  = 100 -  {x}^{4} -  {18x}^{2}  - 81 -  -  -  - (a) }}

For the second largest inner triangle;

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solve the equation to get values of x, which will give you y

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