Answer:
x=36, y=144
Explanation:
Ok so supplementary just means two angles that add up to 90. So as provided in the question let x be the smaller angle, and y be the larger angle.
By definition of a supplementary angle:
![x+y=180](https://img.qammunity.org/2023/formulas/mathematics/high-school/yjomnjcbxana8iry9stcg6f4xooidhbif4.png)
We can also derive another equation based on the relationship between x and y as given in the question. It says "one angle is 4 times larger than the other". Since we said that y is the larger number, it means that:
We can substitute this definition into the first equation we made to solve for x
![x+(4x)=180](https://img.qammunity.org/2023/formulas/mathematics/high-school/gczv7w8ex95vlrtvbbrj0asiamg8sa4yyw.png)
Add like terms
![5x=180](https://img.qammunity.org/2023/formulas/mathematics/high-school/8vzgrr0r6foyx23qjjwpu8kvsovtvgloji.png)
Divide both sides by 5
![x=36](https://img.qammunity.org/2023/formulas/mathematics/high-school/3qy7yxikfklxgxbcsoelwrlq84h1xgwc2n.png)
Since we know that y=4x, we can substitute in 36 as "x" to solve for y
![y=4(36)\\y=144](https://img.qammunity.org/2023/formulas/mathematics/high-school/8occsqjdygm7zs7pbujuz169rr0rjs5yys.png)