Answer:
The length of the sides are 21, 28 and 35
Explanation:
2m + 14 =
![\sqrt{(5m)^(2) - (3m)^(2) }](https://img.qammunity.org/2020/formulas/mathematics/middle-school/ihjcd04mthajb6c1gr4d5zrfdd4xnw0jjf.png)
2m + 14 =
![\sqrt{25m^(2) - 9m^(2) }](https://img.qammunity.org/2020/formulas/mathematics/middle-school/wculkaodmr5remj2koejv7d21245e2s4pn.png)
2m + 14 =
![\sqrt{16m^(2) }](https://img.qammunity.org/2020/formulas/mathematics/middle-school/pdpktewdjgecf4trvqkz9w4a0cvalhy7fa.png)
2m + 14 = 4m
Collecting like terms
14 = 4m - 2m
14 = 2m
![(14)/(2) = (2m)/(2)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/y0yebp305akif8hn97i2tfxn5q18epxc6r.png)
m = 7
The length of sides of the triangles are:
3m = 3(7)
= 21
5m = 5(7)
= 35
2m + 14 = 2(7) + 14
= 14 + 14
= 28
∴The length of sides of the triangle are 21, 28 and 35
Hope this helps