hypotenuse =25 , one side =x, other side =x+5. then find x
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Answered by
1
Answer:
Step-by-step explanation:
Let one side be xcm. Then the other side will be (x+5)cm. Therefore, from Pythagoras theorem
x
2
+(x+5)
2
=25
2
⇒x
2
+x
2
+10x+25=625
⇒x
2
+5x−300=0⇒x
2
+20x−15x−300=0
⇒x(x+20)−15(x+20)=0
⇒(x−15)(x+20)=0⇒x=15
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