Answer:
59°
Step-by-step explanation:
Difference=54-(-5)
=54+5=59
Answer:
Yes
Step-by-step explanation:
As long as any two numbers added are greater than the number not chosen they can make a triangle
2+7= 9 9 is greater than 8
8+2= 10 10 is greater than 7
7+8= 15 . 15 is greater than 2
60x1.15=69
Retail price is $69
Answer:
R = 90
Step-by-step explanation:
Triangles will always equal 180 degrees. If you add 61 + 29 = 90. If two of the three angles already equal 90 degrees, then you would subtract 180 - 90. Therefore, the remaining angle would have to be 90 degrees.