1. 4 * 6 - 5 = 19
19 <span>≤ 19
19 is not less than 19 so it is not 19 </span><span>< 19.
2. 4 * 4 + 3 = 19
4 * 5 + 3 = 23
</span> 4 * 6 + 3 = 27
4 * 7 + 3 = 31
4 * 8 + 3 = 35
Answer is 5
It would surely be helpful if you let us know which angles to measure!
I think niether I'm soooo sorry if I get it wrong