Question

The angles of triangle are (x-40)º, (x-20)° and [ 1/2 x-10]
Find the value of x​​

Answer 1

Answer:

x = 100°

Step by step explanation:

We know that ,

Sum of angles in triangle is 180°

(Refer attachment)

Answer 2

Step-by-step explanation:

Cost of petrol pipe per litre=Rs.50

Cost of x litres of petrol pipe =Rs.50x

Let the total cost be Rs.y

∴y=50x