Answer:
The Answer Is 74. Your Welcome
Answer:
Step-by-step explanation:
Answer:
30.25
Step-by-step explanation:
All angles of a line must add up to 180. Since we already know that one angle is 90 degrees, we know that the other angles should add up to 90 degrees in order for all of the angles to add up to 180 degrees:
(3x-7)+(x+8)=90
4x+1=90
4x=89
x=22.25
22.25+8= 30.25
Answer: x = 1.28 or -1.28
Answer:
D) triangle
Step-by-step explanation:
The attached image may be helpful to visualizing what the cross section looks like. It is a triangle.