This are similar answers to your questions.
Answer:
The answer is 140
Step-by-step explanation:
When the total measurements of the six-shaped corners is equal 720
Then x equal to

If you need any explanation in it or anything on math you can communicate with me on Whats on this number +201557831028 or in email or face or anything
<em>I think your answer is fine</em>
Since 19 is a prime number it is not divisible by 2. So its only divisible numbers are 1 and 19 itself. So 19 multiplied by 1 equals 1