Question

for 9th find the Value of x​

Answer 1

Answer:

Given:-

Find the value of "x" in the given figure

To Find:-

The value of x

Note:-

☆》In these question, 40° and x is on a straight angle and we know that straight angle makes 180°

☆》When we rearrange a term from one side to another~

+ becomes -

- becomes +

× becomes ÷

÷ becomes ×

Formula Used:-

known value + unknown value = 180°

Solution:-

Here, known value is = 40° , unknown value is = x

According to formula used and note point~

● $40° + x = 180°$

● $x = 180° - 40°$

After doing calculations~

● $x = 140°$

Checking:-

● $40° + x = 180° ?$

● $40° + 140° = 180° ?$

● $180° = 180° ?$

yes !

Hence proved that x = 140° //

Answer:-

The value of x = $140°$

:)