Answer:
12/5
Step-by-step explanation:
As it is right angled, thus it will be equal to 90.
= 2x + 5 + x + 25 = 90
= 3x + 30 = 90
= 3x = 60
= x = 60/3
= x = 20
8:
5, 5, 5, 5
5 + 5 - 5 ÷ 5
5 + 5 - 1
10 - 1
9
10:
3, 3, 5, 8
3 + 3 - 5 + 8
6 - 5 + 8
6 + 3
