Question

2. What is the value of x if the angles
within a triangle are 2x +1, 7x-2 and 3x
+5?

Answer 1

`x=14.67\\`°

Explanation:

The sum of all the three angles of any triangle is 180°

Putting sum of all the angles given equals to 180°

`(2x+1)+(7x-2)+(3x+5)=`
`180`°

`2x+7x+3x+1-2+5=180`°

`12x+4=180`°

`x=(180-4)/(12)`

`x=14.67\\`°

The value of the x is found on solving the given angles of the triangles.