Question

1.Each vertex angle is 90°in______________.
2.If a=3and b=2, then the value
of ab-ba is______________.
3.The compound ratio ratio of3:4and2:3 is_____________.
4._____________is the mode of 10,12,11,9,11,10,15,20,11, 10,19,9,11
5.what will be units digit in the sqare of 5125__________.​

Answer 1

Answer:

1)Rombus 2)0 3)11 4)5

Step-by-step explanation:

1) Rombus has every vertex 90

2)3*2-2*3=0

3)Mode is defined as the number of times a number repeats in a set

  11 is the repeated number

4) last digit 5*5=25 unit digit is '5'