The Length Of A Side And The Corresponding Height Of A Triangle Is (X+3)Cm And (2x-5)Cmm Respectively. Given That The Area Of The Triangle Is 20cm Squ
The length of a side and the corresponding height of a triangle is (x+3)cm and (2x-5)cmm respectively. Given that the area of the triangle is 20cm square find the value of X.
Answer:A= (a×h)/2
(x+3)(2x-5):2=20
(x+3)(2x-5)= 40
2x^2+x-55=0
∆=441
X1= -4 nu este soluție,
X2 = 13/2.
Rsp. X= 13/2
Step-by-step explanation:
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