No he would get back $4.56. Start with $20 -13.59-1.85=4.56
5.7 of anything minus 3.9 of the same thing leaves 1.8 of them.
Answer:
38.60mm
Step-by-step explanation:
Step one:
Given data
We are given that the dimension of the triangles are length 23 mm and 31 mm
Let us assume that the triangle is a right angle triangle
Step two:
Applying the Pythagoras theorem we can find the third as

square both sides
z= √ 1490
z= 38.60mm
Hence a possible dimension of the third side is 38.60mm
<em>Please refer to the attachment for the answer and explanation. Hope it helps!!</em>