Question

In a triangle the lenght of the base and height are (x+ 1) and (x+5) respectively it's area is 30cm2 find the value of x​

Answer 1

Answer:

Area of a triangle =

2

1

× base × height =

2

1

(3x−4y)(6x+5y)

=

2

1

[(3x(6x+5y)−4y(6x+5y)]]

=

2

1

[18x

2

+15y)−24y−20y

2

]

=

2

1

[18x

2

−9xy−20y

2