This can help you to understand it
<h3>x = 60</h3><h3>y = 60</h3>
x° + 2y° = 180° ⇒ 2y° = 180° - x°
x° = 60° {three sides of the same lengh, means three angles=60°}
2y° = 180° - 60°
2y° = 120°
y° = 60°
Answer:
8/9,1/2,49/100,11/20, 1/13
Step-by-step explanation:
Here, we want to list the numbers in ascending order
From the smallest to the highest
So we have;
8/9,1/2,49/100,11/20, 1/13
The key to this can be expressing the numbers in their decimal forms
Given:
The expressions are:
and 
To find:
The difference of
and
.
Solution:
Difference of
and
is written as:

On simplification, we get



Therefore, the difference of
and
is
.