Math, asked by Anonymous, 4 months ago

The altitude of a right angle triangle is 17cm less than its base. If the hupotenuese is 25cm. Find the other two sides........................

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Answered by Anonymous
8

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The altitude of a right angle triangle is 17cm less than its base. If the hupotenuese is 25cm. Find the other two sides........................

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let \: the \: base \: be \: 4x

altitude \: be \: x - 17

 In \: \triangle ABC, \angle B =90°

 By \:Pythagoras \: Theorem

 {AC}^{2}={AB}^{2}+{BC}^{2}

 {25}^{2} = {(x - 17)}^{2} + {(x)}^{2}

625 = {x}^{2} + {(17)}^{2} - 2(x)(17) +{x}^{2}

625 = {x}^{2} + 289 - 34x + {x}^{2}

625 = 2 {x}^{2} + 289 - 34x

2 {x}^{2} - 34x + 289 - 625 = 0

2 {x}^{2} - 34x - 336 = 0

this \: is \: in \: the \: form \: of \\ a {x}^{2} + bx + c = 0

a = 2 \\ b = - 34 \\ c = - 336

x = \frac{ - b± \sqrt{ {b}^{2} - 4ac } }{2a}

x = \frac{ -( - 34)± \sqrt{ {( - 34)}^{2} - 4(2) (- 366)} }{2(2)}

x = \frac{34± \sqrt{1156 + 2688} }{4}

x = \frac{34± \sqrt{3844} }{4}

x = \frac{34±62}{4}

x = \frac{34 + 62}{4} \: \: or \: \: x = \frac{34 - 62}{4}

x = \frac{96}{4} \: \: or \: \: x = \frac{ - 32}{4}

{\boxed {\boxed {x = 24 \: \: or \: \: x = - 8}}}

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Answered by ItzDazzingBoy
1

Answer:

Answer in attachment dear

Chandrasekhara Venkata Raman was an Indian physicist known mainly for his work in the field of light scattering. With his student K. S. Krishnan, he discovered that when light traverses a transparent material, some of the deflected light changes wavelength and amplitude

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